2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Endocrine, Nutritional And Metabolic Diseases, And Immunity Disorders 240-279 > Other Metabolic Disorders And Immunity Disorders 270-279 > Other And Unspecified Disorders Of Metabolism 277.* > 2006 ICD-9-CM Diagnosis 277.81 Primary carnitine deficiency View the most recent version of ICD-9-CM 277.81 277.81 is a specific code that can be used to specify a diagnosis 277.81 contains 2 index entries View the ICD-9-CM Volume 1 277.* hierarchy  Index entries containing 277.81: Deficiency, deficient carnitine 277.81 due to hemodialysis 277.83 inborn errors of metabolism 277.82 valproic acid therapy 277.83 iatrogenic 277.83 palmitoyltransferase (CPT1, CPT2) 277.85 palmityl transferase (CPT1, CPT2) 277.85 primary 277.81 secondary 277.84