ICD-9 Diagnosis Code 265.1

Thiamine defic NEC/NOS

Diagnosis Code 265.1

ICD-9: 265.1
Short Description: Thiamine defic NEC/NOS
Long Description: Other and unspecified manifestations of thiamine deficiency
This is the 2014 version of the ICD-9-CM diagnosis code 265.1

Code Classification
  • Endocrine, nutritional and metabolic diseases, and immunity disorders (240–279)
    • Nutritional deficiencies (260-269)
      • 265 Thiamine and niacin deficiency states

Information for Medical Professionals

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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Chastek paralysis
  • Inadequate dietary intake of thiamine
  • Thiamin deficiency
  • Thiamine and niacin deficiency states
  • Wernicke's disease

Index of Diseases and Injuries
References found for the code 265.1 in the Index of Diseases and Injuries:

Information for Patients

B Vitamins

The B vitamins are

  • B1 (thiamine)
  • B2 (riboflavin)
  • B3 (niacin)
  • B5 (pantothenic acid)
  • B6
  • B7 (biotin)
  • B12
  • Folic acid

These vitamins help the process your body uses to get or make energy from the food you eat. They also help form red blood cells. You can get B vitamins from proteins such as fish, poultry, meat, eggs, and dairy products. Leafy green vegetables, beans, and peas also have B vitamins. Many cereals and some breads have added B vitamins.

Not getting enough of certain B vitamins can cause diseases. A lack of B12 or B6 can cause anemia.

  • Anemia - B12 deficiency
  • Beriberi
  • Methylmalonic acid blood test
  • Niacin
  • Niacin for cholesterol
  • Pantothenic acid and biotin
  • Pellagra
  • Riboflavin
  • Thiamin
  • Vitamin B12
  • Vitamin B12 level
  • Vitamin B6

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