B97.33 — Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhere
B97.33 is a billable, specific ICD-10-CM code for human t-cell lymphotrophic virus, type i [htlv-i] as the cause of diseases classified elsewhere. It is valid for submission on a claim.
Risk adjustment
B97.33 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
B97.33 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A55717Billing and Coding: Lab: Flow Cytometry
- A56464Billing and Coding: Flow Cytometry
- A57689Billing and Coding: Lab: Flow Cytometry
How B97.33 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 B97.33.
- Human›T-cell lymphotropic virus›type-1 infection›as cause of disease classified elsewhere
- Retrovirus, as cause of disease classified elsewhere›human›T-cell lymphotropic›type I(HTLV-I)
- Infection, infected, infective›retrovirus›as cause of disease classified elsewhere›human›T-cell lymphotropic›type I(HTLV-I)
- Infection, infected, infective›virus, viral NOS›as cause of disease classified elsewhere›human›T-cell lymphotropic,›type I(HTLV-I)
- Infection, infected, infective›virus, viral NOS›as cause of disease classified elsewhere›retrovirus›human›T-cell lymphotropic,›type I(HTLV-I)
Related codes at this level
Codes that share B97.3. If B97.33 is not quite right, the correct code is usually one of these.
- B97.30Unspecified retrovirus as the cause of diseases classified elsewhere
- B97.31Lentivirus as the cause of diseases classified elsewhere
- B97.32Oncovirus as the cause of diseases classified elsewhere
- B97.34Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere
- B97.35Human immunodeficiency virus, type 2 [HIV 2] as the cause of diseases classified elsewhere
- B97.39Other retrovirus as the cause of diseases classified elsewhere
Questions about B97.33
- Is B97.33 a billable ICD-10-CM code?
- Yes. B97.33 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does B97.33 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Bacterial and viral infectious agents (B95-B97).