Specific code 2013 ICD-9-CM Diagnosis Code 242.91
Thyrotoxicosis without mention of goiter or other cause, with mention of thyrotoxic crisis or storm
  • Short description: Thyrotox NOS w crisis.
  • ICD-9-CM 242.91 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 242.91 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).
  • You are viewing the 2013 version of ICD-9-CM 242.91.
  • More recent version(s) of ICD-9-CM 242.91: 2014 2015.
Convert to ICD-10-CM: 242.91 converts directly to:
  • 2015/16 ICD-10-CM E05.91 Thyrotoxicosis, unspecified with thyrotoxic crisis or storm
Approximate Synonyms
  • Graves' disease with pretibial myxedema AND with thyrotoxic crisis
  • Hyperthyroidism due to hydatidiform mole with thyrotoxic crisis
  • Thyrotoxic crisis
  • Thyrotoxicosis with crisis
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 242.91 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 2013 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.