Z99.81
Z99.81: Dependence on supplemental oxygen
Billable / specific codeICD-10-CMPOA exempt
Z99.81 is a billable, specific ICD-10-CM code for dependence on supplemental oxygen. It is valid for submission on a claim.
Check Z99.81 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Dependence on long-term oxygen
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
Z99.81 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A57361Billing and Coding: Monitored Anesthesia Care
Alphabetic index entries that lead here
- Dependence›oxygen(long-term) (supplemental)
- Dependence›supplemental oxygen
Code history
Unchanged in every release from FY2024 to FY2027.