- A51.39 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM A51.39 became effective on October 1, 2022.
- This is the American ICD-10-CM version of A51.39 – other international versions of ICD-10 A51.39 may differ.
ICD-10-CM A51.39 is grouped within Diagnostic Related Group(s):
Applicable To
- Syphilitic leukoderma
- Syphilitic mucous patch
Type 1 Excludes
- late syphilitic leukoderma (A52.79)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to A51.39:
- syphilitic > maculatum L90.8
- syphilitic, skin > macular (dermatological) L90.8
- syphilitic > Leukoderma, leukodermia NEC L81.5
- patches (syphilitic) > Mucous
- mucous (syphilitic) > Patches
- secondary > anus (late) A52.74
- atrophoderma maculatum > Syphilis, syphilitic (acquired) A53.9
- skin > early A51.9
- secondary > symptomatic A51.9
- ulcer > early A51.9
- leukoderma > Syphilis, syphilitic (acquired) A53.9
- lip > Syphilis, syphilitic (acquired) A53.9
- macular atrophy of skin > Syphilis, syphilitic (acquired) A53.9
- mouth (secondary) > Syphilis, syphilitic (acquired) A53.9
- mucocutaneous (secondary) > Syphilis, syphilitic (acquired) A53.9
- mucous > Syphilis, syphilitic (acquired) A53.9
- membrane (secondary) > mucous A51.39
- patches > mucous A51.39
- secondary > pharynx (late) A52.73
- anus > secondary (and primary) A51.49
- mouth > secondary (and primary) A51.49
- mucous membranes > secondary (and primary) A51.49
- pharynx > secondary (and primary) A51.49
- skin > secondary (and primary) A51.49
- tonsil > secondary (and primary) A51.49
- ulcer > secondary (and primary) A51.49
- vulva > secondary (and primary) A51.49
- skin (with ulceration) (early) (secondary) > Syphilis, syphilitic (acquired) A53.9
- secondary > tonsil (lingual) (late) A52.73
- ulcer (any site) (early) (secondary) > Syphilis, syphilitic (acquired) A53.9
- secondary > vulva A51.0
- syphilitic (any site) (early) (secondary) > Ulcer, ulcerated, ulcerating, ulceration, ulcerative