R09.02 — Hypoxemia
R09.02 is a billable, specific ICD-10-CM code for hypoxemia. It is valid for submission on a claim.
Risk adjustment
R09.02 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
R09.02 is named in 15 Medicare coverage policies — 14 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52514Oxygen and Oxygen Equipment - Policy Articlenot covered
- A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
- A56730Billing and Coding: Respiratory Therapy and Oximetry Services
- A56730Billing and Coding: Respiratory Therapy and Oximetry Services
How R09.02 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R09.02.
- Anoxemia
- Anoxia(pathological)
- Hypoxemia
- Hypoxia
- Deficit›oxygen
Related codes at this level
Codes that share R09.0. If R09.02 is not quite right, the correct code is usually one of these.
Questions about R09.02
- Is R09.02 a billable ICD-10-CM code?
- Yes. R09.02 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does R09.02 sit in the tabular list?
- Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving the circulatory and respiratory systems (R00-R09).