G70.0 vs P94.0
G70.0 (Myasthenia gravis) compared with P94.0 (Transient neonatal myasthenia gravis), 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. G70.0 carries an Excludes1 note covering P94.0: “transient neonatal myasthenia gravis (P94.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. P94.0 carries an Excludes1 note covering G70.0: “myasthenia gravis (G70.0)”
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
| G70.0Myasthenia gravis | P94.0Transient neonatal myasthenia gravis | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | G00-G99 — Diseases of the Nervous System (G00-G99) | P00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96) |
| Definition | Myasthenia gravis is a non-billable ICD-10-CM category code (G70.0). | Transient neonatal myasthenia gravis is a billable ICD-10-CM diagnosis code (P94.0). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources