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A51.31

Billable

Condyloma latum

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Condyloma latum is a highly contagious skin lesion caused by secondary syphilis, appearing as flat, moist warts typically found in warm, moist areas of the body like the genital region or around the anus. These lesions are infectious and represent active syphilis infection.

Coding Tips

  • •Condyloma latum is specific to secondary syphilis (A51.31) and should not be confused with condyloma acuminatum (genital warts caused by HPV), which uses different ICD-10 codes
  • •Always verify the syphilis stage documentation in the medical record, as this code specifically indicates secondary syphilis with genital manifestations; additional codes may be needed if other syphilis manifestations are present

Code Hierarchy

└A51Early syphilis└A51.3Secondary syphilis of skin and mucous membranes└A51.31Condyloma latum
└A51.31Condyloma latum

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