Specific code 2012 ICD-9-CM Diagnosis Code 266.2
Other B-complex deficiencies
  • Short description: B-complex defic NEC.
  • ICD-9-CM 266.2 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 266.2 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 266.2.
  • More recent version(s) of ICD-9-CM 266.2: 2013 2014.
Disease Synonyms
  • Biotin deficiency
  • Biotin deficiency disease
  • Biotin dependent carboxylase deficiency
  • Biotin-dependent carboxylase deficiency
  • Cerebral degeneration due to vitamin B12 deficiency
  • Choline deficiency
  • Cobalamin A disease
  • Cobalamin B disease
  • Cobalamin C disease
  • Cobalamin deficiency
  • Deficiency of biotin
  • Folate deficiency glossitis
  • Folic acid deficiency
  • Inadequate dietary intake of folate
  • Neuropathy due to folic acid deficiency
  • Optic neuropathy due to vitamin B12 deficiency
  • Pantothenic acid deficiency
  • Peripheral nerve disorder due to vit B12 deficiency
  • Peripheral neuropathy due to B12 deficiency
  • Peripheral neuropathy due to vitamin B12 deficiency (disorder)
  • Polyneuropathy (multiple nerve disorder)
  • Polyneuropathy due to vitamin B complex deficiency
  • Polyneuropathy in vitamin B deficiency (disorder)
  • Spinal cord degeneration, due to vitamin B12 deficiency, subacute
  • Subacute combined degeneration of spinal cord
  • Subacute degeneration of spinal cord due to vitamin B12 deficiency (disorder)
  • Vitamin B12 deficiency
  • Vitamin B12 deficiency glossitis
266.2 Excludes
Applies To
  • Deficiency:
    • cyanocobalamin
    • folic acid
    • vitamin B12
Convert to ICD-10-CM: 266.2 converts approximately to:
  • 2014 ICD-10-CM E53.8 Deficiency of other specified B group vitamins
ICD-9-CM Volume 2 Index entries containing back-references to 266.2:
  • Acid
    • deficiency
      • amide nicotinic 265.2
      • amino 270.9
      • ascorbic 267
      • folic 266.2
      • nicotinic (amide) 265.2
      • pantothenic 266.2
  • Avitaminosis (multiple NEC) (see also Deficiency, vitamin) 269.2
    • B12 266.2
  • Barasheh, barashek 266.2
  • Burning
    • feet syndrome 266.2
  • Chacaleh 266.2
  • Deficiency, deficient
    • biotin 266.2
    • choline 266.2
    • cyanocobalamin (vitamin B12) 266.2
    • folic acid (vitamin BC) 266.2
    • inositol (B complex) 266.2
    • pantothenic acid 266.2
  • Electric
    • feet (foot) syndrome 266.2
  • Gopalan's syndrome (burning feet) 266.2
  • Lightning (effects) (shock) (stroke) (struck by) 994.0
    • foot 266.2
  • Melalgia, nutritional 266.2
  • Painful - see also Pain
    • feet syndrome 266.2
  • Syndrome - see also Disease
    • burning feet 266.2
    • electric feet 266.2
    • Gopalan's (burning feet) 266.2
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 266.2 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.