Non-Billable / Non-Specific Code
ICD-10-CM G70 is the diagnosis code for Myasthenia gravis and other myoneural disorders. This code falls under the section "Diseases of myoneural junction and muscle" within Chapter 6 — Diseases of the nervous system (G00-G99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as G70. They are mutually exclusive:
Understanding where G70 sits in the ICD-10-CM classification helps ensure proper coding:
No, G70 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
G70 is the ICD-10-CM diagnosis code for "Myasthenia gravis and other myoneural disorders". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
G70 is located in Section G70-G73 — "Diseases of myoneural junction and muscle" within Chapter 6 of the ICD-10-CM Tabular List.
G70 has 5 sub-code(s) that provide more specific detail: G70.0, G70.1, G70.2, G70.8, G70.9.
Use G70 when the patients documented diagnosis matches "Myasthenia gravis and other myoneural disorders" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Myasthenia gravis and other myoneural disorders is G70.
No, G70 is non-billable. Use a more specific sub-code for primary diagnosis billing.
G70 is in Chapter 6 of the ICD-10-CM Tabular List.
Type 1 Excludes for G70 include: botulism (A05.1, A48.51-A48.52); transient neonatal myasthenia gravis (P94.0).
Yes, G70 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.