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G52.2

G52.2: Disorders of vagus nerve

Billable / specific codeICD-10-CM

G52.2 is a billable, specific ICD-10-CM code for disorders of vagus nerve. It is valid for submission on a claim.

Check G52.2 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Disorders of pneumogastric [10th] nerve

Excludes2 inherited from the categories above G52.2

Not part of this code, but both may be coded when both are present.

Written on G52: Disorders of other cranial nerves

  • disorders of acoustic [8th] nerve (H93.3)
  • disorders of optic [2nd] nerve (H46, H47.0)
  • paralytic strabismus due to nerve palsy (H49.0-H49.2)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G52.2 is named in 14 Medicare coverage policies: 14 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52866Billing and Coding: Speech-Language Pathology
  • A54095Billing and Coding: Nerve Conduction Studies and Electromyography
  • A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
  • A54969Billing and Coding: Nerve Conduction Studies and Electromyography

Alphabetic index entries that lead here

  • Vagotonia
  • Compression›laryngeal nerve, recurrent
  • Lesion›laryngeal nerve(recurrent)
  • Lesion›vagus nerve
  • Neuralgia, neuralgic›vagus(nerve)
  • Neuritis›pneumogastric(nerve)
  • Neuritis›vagus(nerve)
  • Paralysis, paralytic›gastric nerve(nondiabetic)
  • Paralysis, paralytic›pneumogastric nerve
  • Paralysis, paralytic›vagus nerve
  • Atrophy, atrophic›nerve›pneumogastric
  • Atrophy, atrophic›nerve›vagus(pneumogastric)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G52

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.