M97.2 vs S82.52XQ

M97.2 (Periprosthetic fracture around internal prosthetic ankle joint) compared with S82.52XQ (Displaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with malunion), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Relationship

Informational

Excludes2 relationship

S82.52XQ

Displaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with malunion

↔

M97.2

Periprosthetic fracture around internal prosthetic ankle joint

Distinct conditions — both may be reported.

“periprosthetic fracture around internal prosthetic ankle joint (M97.2)”

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. S82.52XQ carries an Excludes2 note covering M97.2: “periprosthetic fracture around internal prosthetic ankle joint (M97.2)”

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

Side by side

	M97.2Periprosthetic fracture around internal prosthetic ankle joint	S82.52XQDisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with malunion
Billing status	Non-billable header	Billable
Classification	M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)	S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
Definition	Periprosthetic fracture around internal prosthetic ankle joint is a non-billable ICD-10-CM category code (M97.2).	Displaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type I or II with malunion is a billable ICD-10-CM diagnosis code (S82.52Q).
7th character	The appropriate 7th character is to be added to each code from category M97	The appropriate 7th character is to be added to all codes from category S82
Includes	—	fracture of malleolus
Code first	, if known, the specific type and cause of fracture, such as traumatic or pathological	—

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