A51.32 Syphilitic alopecia
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The ICD-10-CM code for Syphilitic alopecia is A51.32 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- A50-A64: Infections with a predominantly sexual mode of transmission (A50-A64)
- Category A51
- 18 codes (15 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to A51.32:
- Syphilis, syphilitic (acquired) › alopecia (secondary)
- Alopecia (hereditaria) (seborrheica) › specific (syphilitic)
- Alopecia (hereditaria) (seborrheica) › syphilitic (secondary)
U.S. Hospital Utilization
A51.32 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
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
References
Cite This Page
Reference A51.32 with the canonical source and edition:
A51.32 — Syphilitic alopecia. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/A51.32
Canonical URL: https://icd10codingpro.com/codes/A51.32