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ICD-10-CM 2027

ICD-10 code for Atrophoderma maculatum syphilis

A51.39

Other secondary syphilis of skin

✓ Billable / specificCC — complication/comorbidity

From the official ICD-10-CM alphabetic index entry “Syphilis, syphilitic (acquired) › atrophoderma maculatum”. Page updated September 29, 2026.

About coding Atrophoderma maculatum syphilis

The ICD-10-CM code for Atrophoderma maculatum syphilis is A51.39 (Other secondary syphilis of skin).

Within A51.3, choose A51.39 (Other secondary syphilis of skin) only when documentation doesn't support a more specific option: Condyloma latum (A51.31) and syphilitic alopecia (A51.32).

Don't report A51.39 together with the conditions in its Excludes1 note: late syphilitic leukoderma (A52.79).

As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.

Don't confuse with (Excludes1 for A51.39)

  • late syphilitic leukoderma (A52.79)

Common questions about Atrophoderma maculatum syphilis ICD-10 codes

What is the ICD-10 code for Atrophoderma maculatum syphilis?

A51.39 — Other secondary syphilis of skin.

Is A51.39 billable?

Yes. A51.39 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can A51.39 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict A51.39 as a principal diagnosis.

Is A51.39 a CC or MCC?

A51.39 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.