All ICD10 Codes

A51.39

Billable
ChapterA00–B99
Ranksubcategory
Official Description

Other secondary syphilis of skin

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

Instructional Notes

Includes
  • Syphilitic leukoderma
  • Syphilitic mucous patch
Excludes1(Not coded here)
  • late syphilitic leukoderma (A52.79)
General instructions are available for the parent sections:
View CH1 NotesView A50-A64 Notes

Clinical Hierarchy

CH1Certain infectious and parasitic diseases (A00-B99)
A50-A64Infections with a predominantly sexual mode of transmission (A50-A64)
A51Early syphilis
A51.3Secondary syphilis of skin and mucous membranes
A51.39Other secondary syphilis of skin

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to A51.39:

blockA50-A64
Infections with a predominantly sexual mode of transmission (A50-A64)
View context instructions
chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to A51.39. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Atrophoderma, atrophodermia (of)1 unique routes
maculatum
syphilitic→A51.39
Atrophy, atrophic (of)1 unique routes
macular (dermatological)
syphilitic, skin→A51.39
Leukoderma, leukodermia NEC1 unique routes
syphilitic→A51.39
Mucous1 unique routes
patches (syphilitic)→A51.39
Patches1 unique routes
mucous (syphilitic)→A51.39
Rupia (syphilitic)1 unique routes
Direct index entry→A51.39
Syphilid1 unique routes
Direct index entry→A51.39
Syphilis, syphilitic (acquired)18 unique routes
anus (late)
secondary→A51.39
atrophoderma maculatum→A51.39
early(3 variants)
skin→A51.39
symptomatic
secondary→A51.39
ulcer→A51.39
leukoderma→A51.39
lip→A51.39
macular atrophy of skin→A51.39
mouth (secondary)→A51.39
mucocutaneous (secondary)→A51.39
mucous(2 variants)
membrane (secondary)→A51.39
patches→A51.39
pharynx (late)
secondary→A51.39
secondary (and primary)(5 variants)
anus→A51.39
mouth→A51.39
mucous membranes→A51.39
pharynx→A51.39
skin→A51.39

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 606
Minor Skin Disorders with MCC
DRG 607
Minor Skin Disorders without MCC

Cross Reference

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