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M02.221 vs M02.229

M02.221 (Postimmunization arthropathy, right elbow) compared with M02.229 (Postimmunization arthropathy, unspecified elbow), from the official CMS tabular data. M02.221 and M02.229 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M02.221
Right
Postimmunization arthropathy, right elbow
M02.229
Unspecified
Postimmunization arthropathy, unspecified elbow

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. M02.221 and M02.229 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

M02.221Postimmunization arthropathy, right elbowM02.229Postimmunization arthropathy, unspecified elbow
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
DefinitionPostimmunization arthropathy, right elbow is a billable ICD-10-CM diagnosis code (M02.221).Postimmunization arthropathy, unspecified elbow is a billable ICD-10-CM diagnosis code (M02.229).
Code first
underlying disease, such as:
congenital syphilis [Clutton's joints] (A50.5)
underlying disease, such as:
congenital syphilis [Clutton's joints] (A50.5)

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