Specific code 2011 ICD-9-CM Diagnosis Code 266.1
Vitamin b6 deficiency
  • ICD-9-CM 266.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 266.1 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 2011 version of ICD-9-CM 266.1.
  • More recent version(s) of ICD-9-CM 266.1: 2012 2013 2014 2015.
Convert to ICD-10-CM: 266.1 converts directly to:
  • 2015/16 ICD-10-CM E53.1 Pyridoxine deficiency
Disease Synonyms
  • Vitamin B6 deficiency
266.1 Excludes
  • vitamin B6-responsive sideroblastic anemia (285.0)
Applies To
  • Deficiency:
    • pyridoxal
    • pyridoxamine
    • pyridoxine
  • Vitamin B6 deficiency syndrome
ICD-9-CM Volume 2 Index entries containing back-references to 266.1:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 266.1 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.