MCMedicalCodingSoftware
R29.0

R29.0: Tetany

Billable / specific codeICD-10-CM

R29.0 is a billable, specific ICD-10-CM code for tetany. It is valid for submission on a claim.

Check R29.0 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • hysterical tetany (F44.5)
  • neonatal tetany (P71.3)
  • parathyroid tetany (E20.9)
  • post-thyroidectomy tetany (E89.2)

Inclusion terms

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

  • Carpopedal spasm

Other codes that can never be billed with R29.0

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

  • E20Hypoparathyroidism

Risk adjustment

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

Medicare coverage

R29.0 is named in 9 Medicare coverage policies: 9 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A54969Billing and Coding: Nerve Conduction Studies and Electromyography
  • A56619Billing and Coding: Nerve Conduction Studies and Electromyography
  • A57122Billing and Coding: Parathormone (Parathyroid Hormone)
  • A57189Billing and Coding: Serum Magnesium

Alphabetic index entries that lead here

  • Pseudotetany
  • Tetany(due to)
  • Diathesis›spasmophilic
  • Syndrome›magnesium-deficiency
  • Tetany›convulsions
  • Tetany›hyperkinetic
  • Tetany›pseudotetany

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under R29

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.