A50.5
Other late congenital syphilis, symptomatic
A50.5 is a non-billable ICD-10-CM code header for other late congenital syphilis, symptomatic. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are A50.51 Clutton's joints, A50.52 Hutchinson's teeth, A50.53 Hutchinson's triad, A50.54 Late congenital cardiovascular syphilis and 4 more. Its coding notes include a Use additional code instruction, 2 Excludes1 entries and 6 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (6 notes)
- human immunodeficiency virus [HIV] disease (B20)
- 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)
Includes
Further defines or gives examples of the content of the category.
Also from chapter/block level (1 note)
- diseases generally recognized as communicable or transmissible
Inclusion terms
Conditions classified to this code.
- Any congenital syphilitic condition specified as late or manifest two years or more after birth.
More specific codes under A50.5 8
- A50.51Clutton's jointsBillable
- A50.52Hutchinson's teethBillable
- A50.53Hutchinson's triadBillable
- A50.54Late congenital cardiovascular syphilisBillable
- A50.55Late congenital syphilitic arthropathyBillable
- A50.56Late congenital syphilitic osteochondropathyBillable
- A50.57Syphilitic saddle noseBillable
- A50.59Other late congenital syphilis, symptomaticBillable