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L40.54 vs M14.6

L40.54 (Psoriatic juvenile arthropathy) compared with M14.6 (Charcôt's joint), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Relationship

Conflict

Excludes1 conflict

M14.6
Charcôt's joint
L40.54
Psoriatic juvenile arthropathy

Not coded here — these two are mutually exclusive.

“juvenile psoriatic arthropathy (L40.54)”

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. M14.6 carries an Excludes1 note covering L40.54: “juvenile psoriatic arthropathy (L40.54)”

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

L40.54Psoriatic juvenile arthropathyM14.6Charcôt's joint
Billing statusBillableNon-billable header
ClassificationL00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99)M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
DefinitionPsoriatic juvenile arthropathy is a billable ICD-10-CM diagnosis code (L40.54).Charcôt's joint is a non-billable ICD-10-CM category code (M14.6).
Includes
Neuropathic arthropathy

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