J98.6 vs Q79.0
J98.6 (Disorders of diaphragm) compared with Q79.0 (Congenital diaphragmatic hernia), 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. J98.6 carries an Excludes1 note covering Q79.0: “congenital diaphragmatic hernia (Q79.0)”
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
| J98.6Disorders of diaphragm | Q79.0Congenital diaphragmatic hernia | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | J00-J99 — Diseases of the Respiratory System (J00-J99) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Disorders of diaphragm is a billable ICD-10-CM diagnosis code (J98.6). | Congenital diaphragmatic hernia is a billable ICD-10-CM diagnosis code (Q79.0). |
| Includes | Diaphragmatitis Paralysis of diaphragm Relaxation of diaphragm | — |
| Use additional code | code to identify: exposure to environmental tobacco smoke (Z77.22) exposure to tobacco smoke in the perinatal period (P96.81) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources