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S99.001S vs T33

S99.001S (Unspecified physeal fracture of right calcaneus, sequela) compared with T33 (Superficial frostbite), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. S99.001S carries an Excludes2 note covering T33: “frostbite (T33-T34)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

S99.001SUnspecified physeal fracture of right calcaneus, sequelaT33Superficial frostbite
Billing statusBillableNon-billable header

Report instead: T33.011A, T33.011D, T33.011S, T33.012A, T33.012D

ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionUnspecified physeal fracture of right calcaneus, sequela is a billable ICD-10-CM diagnosis code (S99.001S).Superficial frostbite is a non-billable ICD-10-CM category code (T33).
7th characterThe appropriate 7th character is to be added to each code from subcategories S99.0The appropriate 7th character is to be added to each code from category T33
Includes
frostbite with partial thickness skin loss

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