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M62.831 vs R25.2

M62.831 (Muscle spasm of calf) compared with R25.2 (Cramp and spasm), 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. M62.831 carries an Excludes1 note covering R25.2: “cramp and spasm (R25.2)”

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

Yes, when both are documented. R25.2 carries an Excludes2 note covering M62.831: “charley-horse (M62.831)”

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

Yes, when both are documented. R25.2 carries an Excludes2 note covering M62.831: “muscle spasm of calf (M62.831)”

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

Side by side

M62.831Muscle spasm of calfR25.2Cramp and spasm
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99)
DefinitionMuscle spasm of calf is a billable ICD-10-CM diagnosis code (M62.831).Cramp and spasm is a billable ICD-10-CM diagnosis code (R25.2).
Includes
Charley-horse

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