J82 vs M36

J82 (Pulmonary eosinophilia, not elsewhere classified) compared with M36 (Systemic disorders of connective tissue in diseases classified elsewhere), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. J82 carries an Excludes2 note covering M36: “pulmonary eosinophilia due to systemic connective tissue disorders (M30-M36)”

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

Side by side

	J82Pulmonary eosinophilia, not elsewhere classified	M36Systemic disorders of connective tissue in diseases classified elsewhere
Billing status	Non-billable header Report instead: J82.81, J82.82, J82.83, J82.89	Non-billable header Report instead: M36.0, M36.1, M36.2, M36.3, M36.4
Classification	J00-J99 — Diseases of the Respiratory System (J00-J99)	M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
Definition	Pulmonary eosinophilia, not elsewhere classified is a non-billable ICD-10-CM category code (J82).	Systemic disorders of connective tissue in diseases classified elsewhere is a non-billable ICD-10-CM category code (M36).
Includes	—	autoimmune disease NOS collagen (vascular) disease NOS systemic autoimmune disease systemic collagen (vascular) disease

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