B97.34 Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere
The ICD-10-CM code for Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere is B97.34 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- B95-B97: Bacterial and viral infectious agents (B95-B97)
- Category B97
- 25 codes (20 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to B97.34:
- Human › T-cell lymphotropic virus › type-2 (HTLV-II) as cause of disease classified elsewhere
- Retrovirus, as cause of disease classified elsewhere › human › T-cell lymphotropic › type II (HTLV-II)
- Infection, infected, infective (opportunistic) › virus, viral NOS › as cause of disease classified elsewhere › human › T-cell lymphotropic, › type II (HTLV-II)
- Infection, infected, infective (opportunistic) › retrovirus › as cause of disease classified elsewhere › human › T-cell lymphotropic › type II (HTLV-II)
- Infection, infected, infective (opportunistic) › virus, viral NOS › as cause of disease classified elsewhere › retrovirus › human › T-cell lymphotropic, › type II (HTLV-II)
U.S. Hospital Utilization
B97.34 appeared in too few sampled U.S. inpatient stays in 2021 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
HIV Infections (TOC entry)a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19
Infectious agents causing diseases in other chapters (TOC)b. Infectious agents as the cause of diseases classified to other chapters ................................. 22
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026