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G90.01

G90.01: Carotid sinus syncope

Billable / specific codeICD-10-CM

G90.01 is a billable, specific ICD-10-CM code for carotid sinus syncope. It is valid for submission on a claim.

Check G90.01 with the rest of the claim: free scrubber

Inclusion terms

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

  • Carotid sinus syndrome

Excludes1 inherited from the categories above G90.01

A category’s note binds every code beneath it.

Written on G90: Disorders of autonomic nervous system

  • dysfunction of the autonomic nervous system due to alcohol (G31.2)

Other codes that can never be billed with G90.01

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • R55Syncope and collapse

Risk adjustment

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

Medicare coverage

G90.01 is named in 23 Medicare coverage policies: 23 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A54831Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemaker
  • A54909Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers
  • A54926Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers
  • A54929Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers – Coding and Billing

Alphabetic index entries that lead here

  • Carotid body or sinus syndrome
  • Carotidynia
  • Hypersensitive, hypersensitiveness, hypersensitivity›carotid sinus
  • Sensitive, sensitivity›carotid sinus
  • Syncope›carotid sinus
  • Syndrome›carotid›body
  • Syndrome›carotid›sinus

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G90.0

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.