B97.3 is the authoritative medical code for Retrovirus as the cause of diseases classified elsewhere. This classification is used in medical billing and clinical recording to specify the clinical criteria for retrovirus as the cause of diseases classified elsewhere (ICD-10-CM B97.3), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Retrovirus as the cause of diseases classified elsewhere is a non-billable ICD-10-CM category code B97.3. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): Human immunodeficiency virus HIV disease B20.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for B97.3 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- Human immunodeficiency virus HIV disease B20
Frequently Asked Questions (FAQ) & Clinical Guidance
Can B97.3 be billed directly?
No. B97.3 (Retrovirus as the cause of diseases classified elsewhere) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with B97.3?
Per Excludes1 instructions, B97.3 must not be reported with: Human immunodeficiency virus [HIV] disease (B20).
Codes in This Family (24)
Official ICD-10-CM classifications in the same code family as B97.3, with their registry titles.
- 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
- B97.30 — 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
- B97.39 — Other retrovirus 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
- B97.7 — Papillomavirus as the cause of diseases classified elsewhere
- B97.8 — Other viral agents as the cause of diseases classified elsewhere
- B97.81 — Human metapneumovirus as the cause of diseases classified elsewhere
- B97.89 — Other viral agents as the cause of diseases classified elsewhere
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code B95.3
Streptococcus pneumoniae as the cause of diseases classified elsewhere
ICD Code B96.3
Hemophilus influenzae [H. influenzae] as the cause of diseases classified elsewhere