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M07 vs M14.662

M07 (Enteropathic arthropathies) compared with M14.662 (Charcôt's joint, left knee), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

M14.662
Charcôt's joint, left knee
M07
Enteropathic arthropathies

Not coded here — these two are mutually exclusive.

“enteropathic arthropathies (M07.-)”

An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.

Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a

Can these codes be reported together?

No — do not report together. M14.662 carries an Excludes1 note covering M07: “enteropathic arthropathies (M07.-)”

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

Side by side

M07Enteropathic arthropathiesM14.662Charcôt's joint, left knee
Billing statusNon-billable header

Report instead: M07.60, M07.611, M07.612, M07.619, M07.621

Billable
ClassificationM00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
DefinitionEnteropathic arthropathies is a non-billable ICD-10-CM category code (M07).Charcôt's joint, left knee is a billable ICD-10-CM diagnosis code (M14.662).

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