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A50.3 vs A50.53

A50.3 (Late congenital syphilitic oculopathy) compared with A50.53 (Hutchinson's triad), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Can these codes be reported together?

No — do not report together. A50.3 carries an Excludes1 note covering A50.53: “Hutchinson's triad (A50.53)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

A50.3Late congenital syphilitic oculopathyA50.53Hutchinson's triad
Billing statusNon-billable header

Report instead: A50.30, A50.31, A50.32, A50.39

Billable
ClassificationA00-B99 — Certain Infectious and Parasitic Diseases (A00-B99)A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99)
DefinitionLate congenital syphilitic oculopathy is a non-billable ICD-10-CM category code (A50.3).Hutchinson's triad is a billable ICD-10-CM diagnosis code (A50.53).

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources