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M72.20 vs M72.21

M72.20 (Plantar fascial fibromatosis, unspecified foot) compared with M72.21 (Plantar fascial fibromatosis, right foot), from the official CMS tabular data. M72.20 and M72.21 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M72.20
Unspecified
Plantar fascial fibromatosis, unspecified foot
M72.21
Right
Plantar fascial fibromatosis, right foot

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. M72.20 and M72.21 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

M72.20Plantar fascial fibromatosis, unspecified footM72.21Plantar fascial fibromatosis, right foot
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)

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