B97.34 – Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere
ICD-10-CM 2027 diagnosis code · Bacterial and viral infectious agents
- Code
B97.34(claims format:B9734)- Description
- Human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere
- Short description
- HTLV-II as the cause of diseases classified elsewhere
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- B95-B97 Bacterial and viral infectious agents
- Parent codes
- B97 › B97.3
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
B97.3 – Retrovirus as the cause of diseases classified elsewhere
- Human immunodeficiency virus [HIV] disease (B20)
Block B95-B97
- These categories are provided for use as supplementary or additional codes to identify the infectious agent(s) in diseases classified elsewhere.
Index terms for B97.34
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Human, T-cell lymphotropic virus, type-2
- Retrovirus, as cause of disease classified elsewhere, human, T-cell lymphotropic, type II
- Infection, infected, infective, retrovirus, as cause of disease classified elsewhere, human, T-cell lymphotropic, type II
- Infection, infected, infective, virus, viral NOS, as cause of disease classified elsewhere, human, T-cell lymphotropic,, type II
- Infection, infected, infective, virus, viral NOS, as cause of disease classified elsewhere, retrovirus, human, T-cell lymphotropic,, type II
Related codes in B97.3
- B97.30 – Unspecified retrovirus as the cause of diseases classified elsewhereBillable
- B97.31 – Lentivirus as the cause of diseases classified elsewhereBillable
- B97.32 – Oncovirus as the cause of diseases classified elsewhereBillable
- B97.33 – Human T-cell lymphotrophic virus, type I [HTLV-I] as the cause of diseases classified elsewhereBillable
- B97.35 – Human immunodeficiency virus, type 2 [HIV 2] as the cause of diseases classified elsewhereBillable
- B97.39 – Other retrovirus as the cause of diseases classified elsewhereBillable
Frequently asked questions
What is ICD-10 code B97.34?
B97.34 is the ICD-10-CM code for human T-cell lymphotrophic virus, type II [HTLV-II] as the cause of diseases classified elsewhere, in the block B95-B97 (Bacterial and viral infectious agents).
Is B97.34 a billable code?
Yes. B97.34 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does B97.34 belong to?
It belongs to category B97 – Viral agents as the cause of diseases classified elsewhere.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.