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ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

A51.1 – Primary anal syphilis

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

GEM Conversion to ICD-9 CM

Fs: 00000 – Primary anal syphilis

MDC / MS-DRG Reference

OTHER DIGESTIVE SYSTEM DIAGNOSES WITH MCC
OTHER DIGESTIVE SYSTEM DIAGNOSES WITH CC
OTHER DIGESTIVE SYSTEM DIAGNOSES WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Induration, indurated
chancre
anus A51.1
Syphilis, syphilitic (acquired) A53.9
anus (late) A52.74
primary A51.1
primary A51.0
anal A51.1

Sibling Codes

Primary genital syphilis
Primary syphilis of other sites
Secondary syphilis of skin and mucous membranes
Other secondary syphilis
Early syphilis, latent
Early syphilis, unspecified

Parent Sibling Codes

Congenital syphilis
Early syphilis
Late syphilis
Other and unspecified syphilis
Gonococcal infection
Chlamydial lymphogranuloma (venereum)
Other sexually transmitted chlamydial diseases
Chancroid
Granuloma inguinale
Trichomoniasis

View in Tabular

Code Title
A00-B99 Certain infectious and parasitic diseases (A00-B99)
A50-A64 Infections with a predominantly sexual mode of transmission (A50-A64)
A51 Early syphilis
A51.1 Primary anal syphilis