Specific code 2015 ICD-9-CM Diagnosis Code 277.81
Primary carnitine deficiency
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 277.81 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 277.81 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: 277.81 converts directly to:
  • 2015/16 ICD-10-CM E71.41 Primary carnitine deficiency
Approximate Synonyms
  • Carnitine deficiency, primary
  • Renal carnitine transport defect
Clinical Information
  • An autosomal recessive inherited disorder caused by mutations in the slc22a5 gene. It is characterized by the presence of a defective protein called octn2 which is involved in the transportation of carnitine into the cells. This abnormality results in reduced energy production and accumulation of fatty acids in the tissues. Clinical manifestations of confusion, muscle weakness, hypoglycemia, encephalopathy and cardiomyopathy may be exacerbated during fasting
ICD-9-CM Volume 2 Index entries containing back-references to 277.81:
  • Deficiency, deficient
    • carnitine 277.81
      • due to
      • iatrogenic 277.83
      • palmitoyltransferase (CPT1, CPT2) 277.85
      • palmityl transferase (CPT1, CPT2) 277.85
      • primary 277.81
      • secondary 277.84
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 277.81 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.