Z68.39 — Body mass index [BMI] 39.0-39.9, adult
Z68.39 is a billable, specific ICD-10-CM code for body mass index [bmi] 39.0-39.9, adult. It is valid for submission on a claim.
Risk adjustment
Z68.39 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
Z68.39 is named in 13 Medicare coverage policies — 13 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52447Laparoscopic Sleeve Gastrectomy (LSG) – Medical Policy Article
- A53026Billing and Coding: Bariatric Surgery Coverage
- A54923Billing and Coding: Bariatric Surgery for Treatment of Co-Morbidities Conditions Related to Morbid Obesity
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
How Z68.39 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 Z68.39.
- Body, bodies›mass index›adult›39.0-39.9
Related codes at this level
Codes that share Z68.3. If Z68.39 is not quite right, the correct code is usually one of these.
- Z68.30Body mass index [BMI] 30.0-30.9, adult
- Z68.31Body mass index [BMI] 31.0-31.9, adult
- Z68.32Body mass index [BMI] 32.0-32.9, adult
- Z68.33Body mass index [BMI] 33.0-33.9, adult
- Z68.34Body mass index [BMI] 34.0-34.9, adult
- Z68.35Body mass index [BMI] 35.0-35.9, adult
- Z68.36Body mass index [BMI] 36.0-36.9, adult
- Z68.37Body mass index [BMI] 37.0-37.9, adult
- Z68.38Body mass index [BMI] 38.0-38.9, adult
Questions about Z68.39
- Is Z68.39 a billable ICD-10-CM code?
- Yes. Z68.39 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Z68.39 sit in the tabular list?
- Factors influencing health status and contact with health services (Z00-Z99), in the block Body mass index [BMI] (Z68).