G70.0 ICD-10-CM Code: Myasthenia gravis
G70.0 is the authoritative medical code for Myasthenia gravis. This classification is used in medical billing and clinical recording to specify the clinical criteria for myasthenia gravis (ICD-10-CM G70.0), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G70.0 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- botulism (A05.1, A48.51-A48.52)
- transient neonatal myasthenia gravis (P94.0)
Frequently Asked Questions (FAQ) & Clinical Guidance
Can G70.0 be billed directly?
No. G70.0 (Myasthenia gravis) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with G70.0?
Per official ICD-10-CM Excludes1 instructions, G70.0 must not be reported together with: botulism (A05.1, A48.51-A48.52); transient neonatal myasthenia gravis (P94.0).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to G70.0 in its code family, with their registry titles.
- G70 — Myasthenia gravis and other myoneural disorders
- G70.00 — Myasthenia gravis without (acute) exacerbation
- G70.01 — Myasthenia gravis with (acute) exacerbation
- G70.1 — Toxic myoneural disorders
- G70.2 — Congenital and developmental myasthenia
- G70.8 — Other specified myoneural disorders
- G70.80 — Lambert-Eaton syndrome, unspecified
- G70.81 — Lambert-Eaton syndrome in disease classified elsewhere
- G70.89 — Other specified myoneural disorders
- G70.9 — Myoneural disorder, unspecified