Specific code 2015 ICD-9-CM Diagnosis Code 781.7
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 781.7 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 781.7 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 781.7 converts directly to:
  • 2015/16 ICD-10-CM R29.0 Tetany
Approximate 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
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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.