B97.39 Other retrovirus as the cause of diseases classified elsewhere

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Other retrovirus as the cause of diseases classified elsewhere is B97.39 (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 B97.39:

  • Retrovirus, as cause of disease classified elsewhere › specified NEC
  • Infection, infected, infective (opportunistic) › retrovirus › as cause of disease classified elsewhere › specified NEC
  • Infection, infected, infective (opportunistic) › virus, viral NOS › as cause of disease classified elsewhere › retrovirus › specified NEC

U.S. Hospital Utilization

B97.39 appeared in too few sampled U.S. inpatient stays in 2023 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

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.a
Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

B97 Viral agents as the cause of diseases classified elsewhere

Related Codes in B97

B97 Viral agents as the cause of diseases classified elsewhere B97.0 Adenovirus as the cause of diseases classified elsewhere B97.1 Enterovirus as the cause of diseases classified elsewhere B97.10 Unspecified enterovirus as the cause of diseases classified elsewhere B97.11 Coxsackievirus as the cause of diseases classified elsewhere B97.12 Echovirus as the cause of diseases classified elsewhere B97.19 Other enterovirus as the cause of diseases classified elsewhere B97.2 Coronavirus as the cause of diseases classified elsewhere B97.21 SARS-associated coronavirus as the cause of diseases classified elsewhere B97.29 Other coronavirus as the cause of diseases classified elsewhere B97.3 Retrovirus as the cause of diseases classified elsewhere B97.30 Unspecified retrovirus as the cause of diseases classified elsewhere B97.31 Lentivirus as the cause of diseases classified elsewhere B97.32 Oncovirus as the cause of diseases classified elsewhere B97.33 Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhere B97.34 Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere B97.35 Human immunodeficiency virus, type 2 [HIV 2] as the cause of diseases classified elsewhere B97.4 Respiratory syncytial virus as the cause of diseases classified elsewhere B97.5 Reovirus as the cause of diseases classified elsewhere B97.6 Parvovirus as the cause of diseases classified elsewhere
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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