ICD-10-CM 2027
ICD-10 code for Coryza
From the official ICD-10-CM alphabetic index entry “Coryza (acute)”. Page updated September 29, 2026.
About coding Coryza
The ICD-10-CM code for Coryza is J00 (Acute nasopharyngitis [common cold]). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on J00.
Don't report J00 together with the conditions in its Excludes1 note: acute pharyngitis (J02.-), acute sore throat NOS (J02.9), influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1), pharyngitis NOS (J02.9) and 2 more.
The conditions in its Excludes2 note aren't part of J00, but may be coded alongside it if the patient has both: allergic rhinitis (J30.1-J30.9), chronic pharyngitis (J31.2), chronic rhinitis (J31.0), chronic sore throat (J31.2) and 2 more.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
More specific Coryza codes (official index)
- with grippe or influenza
- syphilitic
- congenital (chronic) A50.05 — Early congenital syphilitic rhinitis
Don't confuse with (Excludes1 for J00)
Common questions about Coryza ICD-10 codes
What is the ICD-10 code for Coryza?
- J00 — Acute nasopharyngitis [common cold]. More specific codes apply when the documentation supports them: A50.05.
Is J00 billable?
- Yes. J00 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J00 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J00 as a principal diagnosis.
Is J00 a CC or MCC?
- No. J00 is neither a CC nor an MCC under MS-DRG v44.0.