Specific code 2014 ICD-9-CM Diagnosis Code 781.7
Tetany
  • Billable Code
  • ICD-9-CM 781.7 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 781.7 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Carpopedal spasm
  • Carpopedal spasm (hand or foot spasm)
Clinical Information
  • A disorder characterized by muscle twitches, cramps, and carpopedal spasm, and when severe, laryngospasm and seizures. This condition is associated with unstable depolarization of axonal membranes, primarily in the peripheral nervous system. Tetany usually results from hypocalcemia or reduced serum levels of magnesium that may be associated with hyperventilation; hypoparathyroidism; rickets; uremia; or other conditions. (from Adams et al., Principles of Neurology, 6th ed, p1490)
  • Hyperexcitability of nerve and muscle when the concentration of extracellular ionized calcium is decreased.
781.7 Excludes
Applies To
  • Carpopedal spasm
Convert to ICD-10-CM: 781.7 converts directly to:
  • 2014 ICD-10-CM R29.0 Tetany
ICD-9-CM Volume 2 Index entries containing back-references to 781.7:
  • Carpopedal spasm (see also Tetany) 781.7
  • Diathesis
    • spasmophilic (see also Tetany) 781.7
  • Pseudotetany 781.7
  • Spasm, spastic, spasticity (see also condition) 781.0
    • carpopedal (see also Tetany) 781.7
  • Spasmophilia (see also Tetany) 781.7
  • Syndrome - see also Disease
    • magnesium-deficiency 781.7
  • Tetany, tetanic 781.7
    • associated with rickets 268.0
    • convulsions 781.7
    • functional (hysterical) 300.11
    • hyperkinetic 781.7
    • hypocalcemic, neonatal 775.4
    • parathyroid (gland) 252.1
    • pseudotetany 781.7
    • psychogenic 306.1
      • specified as conversion reaction 300.11
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 781.7 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.