Z44Header code — not billable

Encounter for fitting and adjustment of external prosthetic device

Short description: Encounter for fit/adjst of external prosthetic device

Chapter
21. Factors influencing health status and contact with health services
Category
Z44
Effective date
October 1, 2026

Related codes in category Z44

Frequently asked questions

What is ICD-10 code Z44?

Z44 is an ICD-10-CM diagnosis code for Encounter for fitting and adjustment of external prosthetic device.

Is Z44 a billable code?

No. Z44 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is Z44 in?

Z44 falls under Chapter 21: Factors influencing health status and contact with health services.

When did Z44 become effective?

Z44 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Z44?

Z44 belongs to category Z44, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.