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S83.61XD vs T33

S83.61XD (Sprain of the superior tibiofibular joint and ligament, right knee, subsequent encounter) compared with T33 (Superficial frostbite), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Relationship

Informational

Excludes2 relationship

S83.61XD
Sprain of the superior tibiofibular joint and ligament, right knee, subsequent encounter
T33
Superficial frostbite

Distinct conditions — both may be reported.

“frostbite (T33-T34)”

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source: CMS ICD-10-CM tabular instructional notes

Can these codes be reported together?

Yes, when both are documented. S83.61XD carries an Excludes2 note covering T33: “frostbite (T33-T34)”

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

Side by side

S83.61XDSprain of the superior tibiofibular joint and ligament, right knee, subsequent encounterT33Superficial 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)
DefinitionSprain of the superior tibiofibular joint and ligament, right knee, subsequent encounter is a billable ICD-10-CM diagnosis code (S83.61D).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 S83The appropriate 7th character is to be added to each code from category T33
Includes
avulsion of joint or ligament of knee
laceration of cartilage, joint or ligament of knee
sprain of cartilage, joint or ligament of knee
traumatic hemarthrosis of joint or ligament of knee
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