ICD-10 code for corrosion

• abdomen, abdominal (muscle) (wall) T21.42 — Corrosion of unspecified degree of abdominal wall
• first degree T21.52 — Corrosion of first degree of abdominal wall
• second degree T21.62 — Corrosion of second degree of abdominal wall
• third degree T21.72 — Corrosion of third degree of abdominal wall
• above elbow T22.439 — Corrosion of unspecified degree of unspecified upper arm
• first degree T22.539 — Corrosion of first degree of unspecified upper arm
• left T22.432 — Corrosion of unspecified degree of left upper arm
• first degree T22.532 — Corrosion of first degree of left upper arm
• second degree T22.632 — Corrosion of second degree of left upper arm
• third degree T22.732 — Corrosion of third degree of left upper arm
• right T22.431 — Corrosion of unspecified degree of right upper arm
• first degree T22.531 — Corrosion of first degree of right upper arm
• second degree T22.631 — Corrosion of second degree of right upper arm
• third degree T22.731 — Corrosion of third degree of right upper arm
• second degree T22.639 — Corrosion of second degree of unspecified upper arm
• third degree T22.739 — Corrosion of third degree of unspecified upper arm
• alimentary tract NEC T28.7 — Corrosion of other parts of alimentary tract
• ankle T25.419 — Corrosion of unspecified degree of unspecified ankle
• first degree T25.519 — Corrosion of first degree of unspecified ankle
• left T25.412 — Corrosion of unspecified degree of left ankle
• first degree T25.512 — Corrosion of first degree of left ankle
• second degree T25.612 — Corrosion of second degree of left ankle
• third degree T25.712 — Corrosion of third degree of left ankle
• multiple with foot
• right T25.411 — Corrosion of unspecified degree of right ankle
• first degree T25.511 — Corrosion of first degree of right ankle
• second degree T25.611 — Corrosion of second degree of right ankle
• third degree T25.711 — Corrosion of third degree of right ankle
• second degree T25.619 — Corrosion of second degree of unspecified ankle
• third degree T25.719 — Corrosion of third degree of unspecified ankle
• anus
• arm (s) (meaning upper limb(s))
• axilla T22.449 — Corrosion of unspecified degree of unspecified axilla
• first degree T22.549 — Corrosion of first degree of unspecified axilla
• left T22.442 — Corrosion of unspecified degree of left axilla
• first degree T22.542 — Corrosion of first degree of left axilla
• second degree T22.642 — Corrosion of second degree of left axilla
• third degree T22.742 — Corrosion of third degree of left axilla
• right T22.441 — Corrosion of unspecified degree of right axilla
• first degree T22.541 — Corrosion of first degree of right axilla
• second degree T22.641 — Corrosion of second degree of right axilla
• third degree T22.741 — Corrosion of third degree of right axilla
• second degree T22.649 — Corrosion of second degree of unspecified axilla
• third degree T22.749 — Corrosion of third degree of unspecified axilla
• back (lower) T21.44 — Corrosion of unspecified degree of lower back
• first degree T21.54 — Corrosion of first degree of lower back
• second degree T21.64 — Corrosion of second degree of lower back
• third degree T21.74 — Corrosion of third degree of lower back
• upper T21.43 — Corrosion of unspecified degree of upper back
• first degree T21.53 — Corrosion of first degree of upper back
• second degree T21.63 — Corrosion of second degree of upper back
• third degree T21.73 — Corrosion of third degree of upper back
• blisters - code as Corrosion, second degree, by site
• breast (s)
• buttock (s) T21.45 — Corrosion of unspecified degree of buttock
• first degree T21.55 — Corrosion of first degree of buttock
• second degree T21.65 — Corrosion of second degree of buttock
• third degree T21.75 — Corrosion of third degree of buttock
• calf T24.439 — Corrosion of unspecified degree of unspecified lower leg
• first degree T24.539 — Corrosion of first degree of unspecified lower leg
• left T24.432 — Corrosion of unspecified degree of left lower leg
• first degree T24.532 — Corrosion of first degree of left lower leg
• second degree T24.632 — Corrosion of second degree of left lower leg
• third degree T24.732 — Corrosion of third degree of left lower leg
• right T24.431 — Corrosion of unspecified degree of right lower leg
• first degree T24.531 — Corrosion of first degree of right lower leg
• second degree T24.631 — Corrosion of second degree of right lower leg
• third degree T24.731 — Corrosion of third degree of right lower leg
• second degree T24.639 — Corrosion of second degree of unspecified lower leg
• third degree T24.739 — Corrosion of third degree of unspecified lower leg
• canthus (eye)
• cervix T28.8 — Corrosion of internal genitourinary organs
• cheek T20.46 — Corrosion of unspecified degree of forehead and cheek
• first degree T20.56 — Corrosion of first degree of forehead and cheek
• second degree T20.66 — Corrosion of second degree of forehead and cheek
• third degree T20.76 — Corrosion of third degree of forehead and cheek
• chest wall T21.41 — Corrosion of unspecified degree of chest wall
• first degree T21.51 — Corrosion of first degree of chest wall
• second degree T21.61 — Corrosion of second degree of chest wall
• third degree T21.71 — Corrosion of third degree of chest wall
• chin T20.43 — Corrosion of unspecified degree of chin
• first degree T20.53 — Corrosion of first degree of chin
• second degree T20.63 — Corrosion of second degree of chin
• third degree T20.73 — Corrosion of third degree of chin
• colon T28.7 — Corrosion of other parts of alimentary tract
• conjunctiva (and cornea)
• cornea (and conjunctiva) T26.6 — Corrosion of cornea and conjunctival sac
• deep necrosis of underlying tissue - code as Corrosion, third degree, by site
• dorsum of hand T23.469 — Corrosion of unspecified degree of back of unspecified hand
• first degree T23.569 — Corrosion of first degree of back of unspecified hand
• left T23.462 — Corrosion of unspecified degree of back of left hand
• first degree T23.562 — Corrosion of first degree of back of left hand
• second degree T23.662 — Corrosion of second degree back of left hand
• third degree T23.762 — Corrosion of third degree of back of left hand
• right T23.461 — Corrosion of unspecified degree of back of right hand
• first degree T23.561 — Corrosion of first degree of back of right hand
• second degree T23.661 — Corrosion of second degree back of right hand
• third degree T23.761 — Corrosion of third degree of back of right hand
• second degree T23.669 — Corrosion of second degree back of unspecified hand
• third degree T23.769 — Corrosion of third degree back of unspecified hand
• ear (auricle) (external) (canal) T20.41 — Corrosion of unspecified degree of ear [any part, except ear drum]
• drum T28.91 — Corrosions of ear drum
• first degree T20.51 — Corrosion of first degree of ear [any part, except ear drum]
• second degree T20.61 — Corrosion of second degree of ear [any part, except ear drum]
• third degree T20.71 — Corrosion of third degree of ear [any part, except ear drum]
• elbow T22.429 — Corrosion of unspecified degree of unspecified elbow
• first degree T22.529 — Corrosion of first degree of unspecified elbow
• left T22.422 — Corrosion of unspecified degree of left elbow
• first degree T22.522 — Corrosion of first degree of left elbow
• second degree T22.622 — Corrosion of second degree of left elbow
• third degree T22.722 — Corrosion of third degree of left elbow
• right T22.421 — Corrosion of unspecified degree of right elbow
• first degree T22.521 — Corrosion of first degree of right elbow
• second degree T22.621 — Corrosion of second degree of right elbow
• third degree T22.721 — Corrosion of third degree of right elbow
• second degree T22.629 — Corrosion of second degree of unspecified elbow
• third degree T22.729 — Corrosion of third degree of unspecified elbow
• entire body
• epidermal loss - code as Corrosion, second degree, by site
• epiglottis T27.4 — Corrosion of larynx and trachea
• erythema, erythematous - code as Corrosion, first degree, by site
• esophagus T28.6 — Corrosion of esophagus
• extent (percentage of body surface)
• less than 10 percent T32.0 — Corrosions involving less than 10% of body surface
• 10-19 percent (0-9 percent third degree) T32.10 — Corrosions involving 10-19% of body surface with 0% to 9% third degree corrosion
• with 10-19 percent third degree T32.11 — Corrosions involving 10-19% of body surface with 10-19% third degree corrosion
• 20-29 percent (0-9 percent third degree) T32.20 — Corrosions involving 20-29% of body surface with 0% to 9% third degree corrosion
• with
• 10-19 percent third degree T32.21 — Corrosions involving 20-29% of body surface with 10-19% third degree corrosion
• 20-29 percent third degree T32.22 — Corrosions involving 20-29% of body surface with 20-29% third degree corrosion
• 30-39 percent (0-9 percent third degree) T32.30 — Corrosions involving 30-39% of body surface with 0% to 9% third degree corrosion
• with
• 10-19 percent third degree T32.31 — Corrosions involving 30-39% of body surface with 10-19% third degree corrosion
• 20-29 percent third degree T32.32 — Corrosions involving 30-39% of body surface with 20-29% third degree corrosion
• 30-39 percent third degree T32.33 — Corrosions involving 30-39% of body surface with 30-39% third degree corrosion
• 40-49 percent (0-9 percent third degree) T32.40 — Corrosions involving 40-49% of body surface with 0% to 9% third degree corrosion
• with
• 10-19 percent third degree T32.41 — Corrosions involving 40-49% of body surface with 10-19% third degree corrosion
• 20-29 percent third degree T32.42 — Corrosions involving 40-49% of body surface with 20-29% third degree corrosion
• 30-39 percent third degree T32.43 — Corrosions involving 40-49% of body surface with 30-39% third degree corrosion
• 40-49 percent third degree T32.44 — Corrosions involving 40-49% of body surface with 40-49% third degree corrosion
• 50-59 percent (0-9 percent third degree) T32.50 — Corrosions involving 50-59% of body surface with 0% to 9% third degree corrosion
• with
• 10-19 percent third degree T32.51 — Corrosions involving 50-59% of body surface with 10-19% third degree corrosion
• 20-29 percent third degree T32.52 — Corrosions involving 50-59% of body surface with 20-29% third degree corrosion
• 30-39 percent third degree T32.53 — Corrosions involving 50-59% of body surface with 30-39% third degree corrosion
• 40-49 percent third degree T32.54 — Corrosions involving 50-59% of body surface with 40-49% third degree corrosion
• 50-59 percent third degree T32.55 — Corrosions involving 50-59% of body surface with 50-59% third degree corrosion
• 60-69 percent (0-9 percent third degree) T32.60 — Corrosions involving 60-69% of body surface with 0% to 9% third degree corrosion
• with
• 10-19 percent third degree T32.61 — Corrosions involving 60-69% of body surface with 10-19% third degree corrosion
• 20-29 percent third degree T32.62 — Corrosions involving 60-69% of body surface with 20-29% third degree corrosion
• 30-39 percent third degree T32.63 — Corrosions involving 60-69% of body surface with 30-39% third degree corrosion
• 40-49 percent third degree T32.64 — Corrosions involving 60-69% of body surface with 40-49% third degree corrosion
• 50-59 percent third degree T32.65 — Corrosions involving 60-69% of body surface with 50-59% third degree corrosion
• 60-69 percent third degree T32.66 — Corrosions involving 60-69% of body surface with 60-69% third degree corrosion
• 70-79 percent (0-9 percent third degree) T32.70 — Corrosions involving 70-79% of body surface with 0% to 9% third degree corrosion
• with
• 10-19 percent third degree T32.71 — Corrosions involving 70-79% of body surface with 10-19% third degree corrosion
• 20-29 percent third degree T32.72 — Corrosions involving 70-79% of body surface with 20-29% third degree corrosion
• 30-39 percent third degree T32.73 — Corrosions involving 70-79% of body surface with 30-39% third degree corrosion
• 40-49 percent third degree T32.74 — Corrosions involving 70-79% of body surface with 40-49% third degree corrosion
• 50-59 percent third degree T32.75 — Corrosions involving 70-79% of body surface with 50-59% third degree corrosion
• 60-69 percent third degree T32.76 — Corrosions involving 70-79% of body surface with 60-69% third degree corrosion
• 70-79 percent third degree T32.77 — Corrosions involving 70-79% of body surface with 70-79% third degree corrosion
• 80-89 percent (0-9 percent third degree) T32.80 — Corrosions involving 80-89% of body surface with 0% to 9% third degree corrosion
• with
• 10-19 percent third degree T32.81 — Corrosions involving 80-89% of body surface with 10-19% third degree corrosion
• 20-29 percent third degree T32.82 — Corrosions involving 80-89% of body surface with 20-29% third degree corrosion
• 30-39 percent third degree T32.83 — Corrosions involving 80-89% of body surface with 30-39% third degree corrosion
• 40-49 percent third degree T32.84 — Corrosions involving 80-89% of body surface with 40-49% third degree corrosion
• 50-59 percent third degree T32.85 — Corrosions involving 80-89% of body surface with 50-59% third degree corrosion
• 60-69 percent third degree T32.86 — Corrosions involving 80-89% of body surface with 60-69% third degree corrosion
• 70-79 percent third degree T32.87 — Corrosions involving 80-89% of body surface with 70-79% third degree corrosion
• 80-89 percent third degree T32.88 — Corrosions involving 80-89% of body surface with 80-89% third degree corrosion
• 90 percent or more (0-9 percent third degree) T32.90 — Corrosions involving 90% or more of body surface with 0% to 9% third degree corrosion
• with
• 10-19 percent third degree T32.91 — Corrosions involving 90% or more of body surface with 10-19% third degree corrosion
• 20-29 percent third degree T32.92 — Corrosions involving 90% or more of body surface with 20-29% third degree corrosion
• 30-39 percent third degree T32.93 — Corrosions involving 90% or more of body surface with 30-39% third degree corrosion
• 40-49 percent third degree T32.94 — Corrosions involving 90% or more of body surface with 40-49% third degree corrosion
• 50-59 percent third degree T32.95 — Corrosions involving 90% or more of body surface with 50-59% third degree corrosion
• 60-69 percent third degree T32.96 — Corrosions involving 90% or more of body surface with 60-69% third degree corrosion
• 70-79 percent third degree T32.97 — Corrosions involving 90% or more of body surface with 70-79% third degree corrosion
• 80-89 percent third degree T32.98 — Corrosions involving 90% or more of body surface with 80-89% third degree corrosion
• 90-99 percent third degree T32.99 — Corrosions involving 90% or more of body surface with 90% or more third degree corrosion
• extremity
• eye (s) and adnexa T26.9 — Corrosion of eye and adnexa, part unspecified
• with resulting rupture and destruction of eyeball T26.7 — Corrosion with resulting rupture and destruction of eyeball
• conjunctival sac
• cornea
• lid
• periocular area
• specified site NEC T26.8 — Corrosions of other specified parts of eye and adnexa
• eyeball
• eyelid (s) T26.5 — Corrosion of eyelid and periocular area
• face
• finger T23.429 — Corrosion of unspecified degree of unspecified single finger (nail) except thumb
• first degree T23.529 — Corrosion of first degree of unspecified single finger (nail) except thumb
• left T23.422 — Corrosion of unspecified degree of single left finger (nail) except thumb
• first degree T23.522 — Corrosion of first degree of single left finger (nail) except thumb
• second degree T23.622 — Corrosion of second degree of single left finger (nail) except thumb
• third degree T23.722 — Corrosion of third degree of single left finger (nail) except thumb
• multiple sites (without thumb) T23.439 — Corrosion of unspecified degree of unspecified multiple fingers (nail), not including thumb
• with thumb T23.449 — Corrosion of unspecified degree of unspecified multiple fingers (nail), including thumb
• first degree T23.549 — Corrosion of first degree of unspecified multiple fingers (nail), including thumb
• left T23.442 — Corrosion of unspecified degree of multiple left fingers (nail), including thumb
• first degree T23.542 — Corrosion of first degree of multiple left fingers (nail), including thumb
• second degree T23.642 — Corrosion of second degree of multiple left fingers (nail), including thumb
• third degree T23.742 — Corrosion of third degree of multiple left fingers (nail), including thumb
• right T23.441 — Corrosion of unspecified degree of multiple right fingers (nail), including thumb
• first degree T23.541 — Corrosion of first degree of multiple right fingers (nail), including thumb
• second degree T23.641 — Corrosion of second degree of multiple right fingers (nail), including thumb
• third degree T23.741 — Corrosion of third degree of multiple right fingers (nail), including thumb
• second degree T23.649 — Corrosion of second degree of unspecified multiple fingers (nail), including thumb
• third degree T23.749 — Corrosion of third degree of unspecified multiple fingers (nail), including thumb
• first degree T23.539 — Corrosion of first degree of unspecified multiple fingers (nail), not including thumb
• left T23.432 — Corrosion of unspecified degree of multiple left fingers (nail), not including thumb
• first degree T23.532 — Corrosion of first degree of multiple left fingers (nail), not including thumb
• second degree T23.632 — Corrosion of second degree of multiple left fingers (nail), not including thumb
• third degree T23.732 — Corrosion of third degree of multiple left fingers (nail), not including thumb
• right T23.431 — Corrosion of unspecified degree of multiple right fingers (nail), not including thumb
• first degree T23.531 — Corrosion of first degree of multiple right fingers (nail), not including thumb
• second degree T23.631 — Corrosion of second degree of multiple right fingers (nail), not including thumb
• third degree T23.731 — Corrosion of third degree of multiple right fingers (nail), not including thumb
• second degree T23.639 — Corrosion of second degree of unspecified multiple fingers (nail), not including thumb
• third degree T23.739 — Corrosion of third degree of unspecified multiple fingers (nail), not including thumb
• right T23.421 — Corrosion of unspecified degree of single right finger (nail) except thumb
• first degree T23.521 — Corrosion of first degree of single right finger (nail) except thumb
• second degree T23.621 — Corrosion of second degree of single right finger (nail) except thumb
• third degree T23.721 — Corrosion of third degree of single right finger (nail) except thumb
• second degree T23.629 — Corrosion of second degree of unspecified single finger (nail) except thumb
• third degree T23.729 — Corrosion of third degree of unspecified single finger (nail) except thumb
• flank
• foot T25.429 — Corrosion of unspecified degree of unspecified foot
• first degree T25.529 — Corrosion of first degree of unspecified foot
• left T25.422 — Corrosion of unspecified degree of left foot
• first degree T25.522 — Corrosion of first degree of left foot
• second degree T25.622 — Corrosion of second degree of left foot
• third degree T25.722 — Corrosion of third degree of left foot
• multiple with ankle
• right T25.421 — Corrosion of unspecified degree of right foot
• first degree T25.521 — Corrosion of first degree of right foot
• second degree T25.621 — Corrosion of second degree of right foot
• third degree T25.721 — Corrosion of third degree of right foot
• second degree T25.629 — Corrosion of second degree of unspecified foot
• third degree T25.729 — Corrosion of third degree of unspecified foot
• forearm T22.419 — Corrosion of unspecified degree of unspecified forearm
• first degree T22.519 — Corrosion of first degree of unspecified forearm
• left T22.412 — Corrosion of unspecified degree of left forearm
• first degree T22.512 — Corrosion of first degree of left forearm
• second degree T22.612 — Corrosion of second degree of left forearm
• third degree T22.712 — Corrosion of third degree of left forearm
• right T22.411 — Corrosion of unspecified degree of right forearm
• first degree T22.511 — Corrosion of first degree of right forearm
• second degree T22.611 — Corrosion of second degree of right forearm
• third degree T22.711 — Corrosion of third degree of right forearm
• second degree T22.619 — Corrosion of second degree of unspecified forearm
• third degree T22.719 — Corrosion of third degree of unspecified forearm
• forehead T20.46 — Corrosion of unspecified degree of forehead and cheek
• first degree T20.56 — Corrosion of first degree of forehead and cheek
• second degree T20.66 — Corrosion of second degree of forehead and cheek
• third degree T20.76 — Corrosion of third degree of forehead and cheek
• fourth degree - code as Corrosion, third degree, by site
• full thickness skin loss - code as Corrosion, third degree, by site
• gastrointestinal tract NEC T28.7 — Corrosion of other parts of alimentary tract
• genital organs
• external
• female T21.47 — Corrosion of unspecified degree of female genital region
• first degree T21.57 — Corrosion of first degree of female genital region
• second degree T21.67 — Corrosion of second degree of female genital region
• third degree T21.77 — Corrosion of third degree of female genital region
• male T21.46 — Corrosion of unspecified degree of male genital region
• first degree T21.56 — Corrosion of first degree of male genital region
• second degree T21.66 — Corrosion of second degree of male genital region
• third degree T21.76 — Corrosion of third degree of male genital region
• internal T28.8 — Corrosion of internal genitourinary organs
• groin
• hand (s) T23.409 — Corrosion of unspecified degree of unspecified hand, unspecified site
• back
• finger
• first degree T23.509 — Corrosion of first degree of unspecified hand, unspecified site
• left T23.402 — Corrosion of unspecified degree of left hand, unspecified site
• first degree T23.502 — Corrosion of first degree of left hand, unspecified site
• second degree T23.602 — Corrosion of second degree of left hand, unspecified site
• third degree T23.702 — Corrosion of third degree of left hand, unspecified site
• multiple sites with wrist T23.499 — Corrosion of unspecified degree of multiple sites of unspecified wrist and hand
• first degree T23.599 — Corrosion of first degree of multiple sites of unspecified wrist and hand
• left T23.492 — Corrosion of unspecified degree of multiple sites of left wrist and hand
• first degree T23.592 — Corrosion of first degree of multiple sites of left wrist and hand
• second degree T23.692 — Corrosion of second degree of multiple sites of left wrist and hand
• third degree T23.792 — Corrosion of third degree of multiple sites of left wrist and hand
• right T23.491 — Corrosion of unspecified degree of multiple sites of right wrist and hand
• first degree T23.591 — Corrosion of first degree of multiple sites of right wrist and hand
• second degree T23.691 — Corrosion of second degree of multiple sites of right wrist and hand
• third degree T23.791 — Corrosion of third degree of multiple sites of right wrist and hand
• second degree T23.699 — Corrosion of second degree of multiple sites of unspecified wrist and hand
• third degree T23.799 — Corrosion of third degree of multiple sites of unspecified wrist and hand
• palm
• right T23.401 — Corrosion of unspecified degree of right hand, unspecified site

See all 679 entries in the alphabetic index

What is the ICD-10 code for corrosion?

T30.4 — Corrosion of unspecified body region, unspecified degree. More specific codes apply when the documentation supports them: T21.42, T21.52, T21.62, T21.72 and others below.

What is the ICD-10 code for above elbow corrosion?

T22.439 — Corrosion of unspecified degree of unspecified upper arm (header code; choose a more specific subcode).

What is the ICD-10 code for alimentary tract nec corrosion?

T28.7 — Corrosion of other parts of alimentary tract (header code; choose a more specific subcode).

What is the ICD-10 code for ankle corrosion?

T25.419 — Corrosion of unspecified degree of unspecified ankle (header code; choose a more specific subcode).

What is the ICD-10 code for axilla corrosion?

T22.449 — Corrosion of unspecified degree of unspecified axilla (header code; choose a more specific subcode).

What is the ICD-10 code for back corrosion?

T21.44 — Corrosion of unspecified degree of lower back (header code; choose a more specific subcode).

What is the ICD-10 code for buttock corrosion?

T21.45 — Corrosion of unspecified degree of buttock (header code; choose a more specific subcode).

Is T30.4 billable?

Yes. T30.4 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can T30.4 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict T30.4 as a principal diagnosis.

Is T30.4 a CC or MCC?

No. T30.4 is neither a CC nor an MCC under MS-DRG v44.0.