Skip to main content
Compare/S53.31XS vs T33

S53.31XS vs T33

S53.31XS (Traumatic rupture of right ulnar collateral ligament, 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. S53.31XS carries an Excludes2 note covering T33: “frostbite (T33-T34)”

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

Side by side

S53.31XSTraumatic rupture of right ulnar collateral ligament, 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)
DefinitionTraumatic rupture of right ulnar collateral ligament, sequela is a billable ICD-10-CM diagnosis code (S53.31S).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 category S53The appropriate 7th character is to be added to each code from category T33
Includes
avulsion of joint or ligament of elbow
laceration of cartilage, joint or ligament of elbow
sprain of cartilage, joint or ligament of elbow
traumatic hemarthrosis of joint or ligament of elbow
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