E88.89 vs J84.82
E88.89 (Other specified metabolic disorders) compared with J84.82 (Adult pulmonary Langerhans cell histiocytosis), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. E88.89 carries an Excludes1 note covering J84.82: “adult pulmonary Langerhans cell histiocytosis (J84.82)”
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
| E88.89Other specified metabolic disorders | J84.82Adult pulmonary Langerhans cell histiocytosis | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | J00-J99 — Diseases of the Respiratory System (J00-J99) |
| Definition | Other specified metabolic disorders is a billable ICD-10-CM diagnosis code (E88.89). | Adult pulmonary Langerhans cell histiocytosis is a billable ICD-10-CM diagnosis code (J84.82). |
| Includes | Launois-Bensaude adenolipomatosis | Adult PLCH |
| Use additional code | codes for associated conditions | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources