Primary syphilis of other sites
- A51.2 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 A51.2 became effective on October 1, 2023.
- This is the American ICD-10-CM version of A51.2 – other international versions of ICD-10 A51.2 may differ.
The following code(s) above A51.2 contain annotation back-references
that may be applicable to A51.2:
- A00-B99 Certain infectious and parasitic diseases
- A50-A64 Infections with a predominantly sexual mode of transmission
Approximate Synonyms
- Primary syphilis of fingers
- Primary syphilis of tonsils
- Syphilis finger, primary
- Syphilis of tonsil, primary
ICD-10-CM A51.2 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):
- 867 Other infectious and parasitic diseases diagnoses with mcc
- 868 Other infectious and parasitic diseases diagnoses with cc
- 869 Other infectious and parasitic diseases diagnoses without cc/mcc
Convert A51.2 to ICD-9-CMCode History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 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
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
Diagnosis Index entries containing back-references to A51.2:
- Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) A51.0
- Induration, indurated
- chancre
- extragenital NEC A51.2
- chancre
- Syphilis, syphilitic (acquired) A53.9
- Ulcus – see also Ulcer