ICD-10-CM code · FY2027
A51.4 Other secondary syphilis
Header codeNot billable: use one of the 7 billable codes below
About A51.4
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Coding notes for A51.4
No notes of its own.
Block A50-A64 notes (apply to every code in it)
Excludes1 Not coded here: never report these together with this code (use the code given instead).
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- human immunodeficiency virus [HIV] disease (B20)
Chapter 1 notes (apply to every code in it)
Includes Conditions this code covers.
- diseases generally recognized as communicable or transmissible
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use additional code Add a second code for the detail named here.
- code to identify resistance to antimicrobial drugs (Z16.-)
Codes under A51.4 7
- A51.41 Secondary syphilitic meningitisBillable
- A51.42 Secondary syphilitic female pelvic diseaseBillable
- A51.43 Secondary syphilitic oculopathyBillable
- A51.44 Secondary syphilitic nephritisBillable
- A51.45 Secondary syphilitic hepatitisBillable
- A51.46 Secondary syphilitic osteopathyBillable
- A51.49 Other secondary syphilitic conditionsBillable
Related codes in A51
Latest research on early syphilis
- The 2 Minute Medicine Podcast Episode 28
- The Scan by 2 Minute Medicine®: Slashing Seasonal Affective Disorder, Movember Movement, Syphilis Struggles, and Substance Use Disorders
- Wellness Check: Addictions
- Maternal sexually transmitted infections associated with increased risk of preterm birth
- Pre-exposure HIV prophylaxis may lead to riskier behavior and increased STIs
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