ICD10BillableValid for clinical use

ICD-10 Code G70.00: Myasthenia gravis without (acute) exacerbation

G70.00 is a billable ICD-10 diagnosis code used to classify Myasthenia gravis without (acute) exacerbation in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

When is it used?

  • May be used when a clinician documents myasthenia gravis without (acute) exacerbation in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
6Diseases of the nervous system (G00-G99)
block
G70-G73Diseases of myoneural junction and muscle
category
G70Myasthenia gravis and other myoneural disorders
category
G70.0Myasthenia gravis
currentG70.0

Official coding notes

Inclusion terms
  • Myasthenia gravis NOS

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

NeurologistGeneral Physician

Coding guidelines

Common synonyms

Myasthenia gravis without (acute) exacerbationMyasthenia gravis withoutMyasthenia gravis without acute exacerbation

Frequently asked questions

Code details

CodeG70.00
SystemICD10
Display nameMyasthenia gravis without (acute) exacerbation
ChapterDiseases of the nervous system (G00-G99)
BlockDiseases of myoneural junction and muscle

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Erb-Goldflam disease or syndromeGoldflam-Erb disease or syndromeMyastheniaMyastheniaParalysis, paralytic(complete) (incomplete)Paralysis, paralytic(complete) (incomplete)SyndromeSyndrome

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code G70.00 for Myasthenia gravis without (acute) exacerbation | HealthAssure