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A51.0 - Primary genital syphilis


The ICD 10 Code for Primary genital syphilis is listed as A51.0.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: A51.0
Description: Primary genital syphilis
  • Syphilitic chancre NOS
Diagnostic Related Groups
(MS-DRG v30.0)
727 - Inflammation Of The Male Reproductive System W Mcc
728 - Inflammation Of The Male Reproductive System W/o Mcc
742 - Uterine & Adnexa Proc For Non-malignancy W Cc/mcc
743 - Uterine & Adnexa Proc For Non-malignancy W/o Cc/mcc
757 - Infections, Female Reproductive System W Mcc
758 - Infections, Female Reproductive System W Cc
759 - Infections, Female Reproductive System W/o Cc/mcc
Chapter Certain infectious and parasitic diseases (A00-B99)
Block Infections with a predominantly sexual mode of transmission (A50-A64)
Parent A51 - Early syphilis
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 091.0 - Genital syphilis (primary)
ICD-10-CM Siblings (same level / similar specificity) of A51.0:
A51.1 - Primary anal syphilis
A51.2 - Primary syphilis of other sites
A51.3 - Secondary syphilis of skin and mucous membranes
A51.4 - Other secondary syphilis
A51.5 - Early syphilis, latent
A51.9 - Early syphilis, unspecified