Other secondary syphilitic conditions
- A51.49 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 A51.49 became effective on October 1, 2023.
- This is the American ICD-10-CM version of A51.49 – other international versions of ICD-10 A51.49 may differ.
Applicable To
- Secondary syphilitic lymphadenopathy
- Secondary syphilitic myositis
The following code(s) above A51.49 contain annotation back-references
that may be applicable to A51.49:
- A00-B99 Certain infectious and parasitic diseases
- A50-A64 Infections with a predominantly sexual mode of transmission
Approximate Synonyms
- Secondary syphilis
- Syphilis, secondary
ICD-10-CM A51.49 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 A51.49 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
Code annotations containing back-references to A51.49:
- Type 1 Excludes: M63
Diagnosis Index entries containing back-references to A51.49:
- Adenopathy (lymph gland) R59.9
- syphilitic A51.49 (secondary)
- LymphadenitisI88.9
- syphilitic (early) (secondary) A51.49
- Lymphadenopathy (generalized) R59.1
- syphilitic A51.49 (early) (secondary)
- MyositisM60.9
- Syphilis, syphilitic (acquired) A53.9
- earlyA51.9
- symptomaticA51.9
- secondaryA51.39 – see also Syphilis, secondary
- relapse A51.49 (treated, untreated)
- secondaryA51.39 – see also Syphilis, secondary
- symptomaticA51.9
- lymph gland (early) (secondary) A51.49
- secondary (and primary) A51.49
- adenopathy A51.49
- lymphadenitis A51.49
- relapse A51.49 (treated, untreated)
- specified form NEC A51.49
- viscera NEC A51.49
- viscera (abdominal) (late) A52.74
- secondary A51.49
- adenopathy A51.49 (secondary)
- lymphadenitis A51.49 (secondary)
- earlyA51.9