Z99.81Billable
Dependence on supplemental oxygen
- Chapter
- 21. Factors influencing health status and contact with health services
- Category
- Z99
- Effective date
- October 1, 2026
Related codes in category Z99
Z99Dependence on enabling machines and devices, NECZ99.0Dependence on aspiratorYesZ99.1Dependence on respiratorZ99.11Dependence on respirator [ventilator] statusYesZ99.12Encounter for respirator dependence during power failureYesZ99.2Dependence on renal dialysisYesZ99.3Dependence on wheelchairYesZ99.8Dependence on other enabling machines and devicesZ99.89Dependence on other enabling machines and devicesYes
Frequently asked questions
What is ICD-10 code Z99.81?
Z99.81 is an ICD-10-CM diagnosis code for Dependence on supplemental oxygen.
Is Z99.81 a billable code?
Yes. Z99.81 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Z99.81 in?
Z99.81 falls under Chapter 21: Factors influencing health status and contact with health services.
When did Z99.81 become effective?
Z99.81 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Z99.81?
Z99.81 belongs to category Z99, which includes 9 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.