Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for eustachian tube replacement by artificial or mechanical device or prosthesis of

Z96.29

Presence of other otological and audiological implants

✓ Billable / specificNot a principal dx

From the official ICD-10-CM alphabetic index entry “Replacement by artificial or mechanical device or prosthesis of › eustachian tube”. Page updated September 29, 2026.

About coding eustachian tube replacement by artificial or mechanical device or prosthesis of

The ICD-10-CM code for eustachian tube replacement by artificial or mechanical device or prosthesis of is Z96.29 (Presence of other otological and audiological implants).

Within Z96.2, choose Z96.29 (Presence of other otological and audiological implants) only when documentation doesn't support a more specific option: presence of otological and audiological implant, unspecified (Z96.20), cochlear implant status (Z96.21) and myringotomy tube(s) status (Z96.22).

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

In MS-DRG v44.0, it is part of the grouping logic for DRG 951 (Other Factors Influencing Health Status, relative weight 0.5577), in MDC 23 (Factors Influencing Health Status and Other Contacts with Health Services), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.

Common questions about eustachian tube replacement by artificial or mechanical device or prosthesis of ICD-10 codes

What is the ICD-10 code for eustachian tube replacement by artificial or mechanical device or prosthesis of?

Z96.29 — Presence of other otological and audiological implants.

Is Z96.29 billable?

Yes. Z96.29 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can Z96.29 be used as a principal diagnosis?

No. It is not acceptable as the principal diagnosis for an inpatient stay; it may be reported as a secondary diagnosis.

Is Z96.29 a CC or MCC?

No. Z96.29 is neither a CC nor an MCC under MS-DRG v44.0.