266.9 VITAMIN B DEFICIENCY NOS

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Code Information

Diagnosis Code: 266.9

Short Description: Vitamin b deficiency NOS

Long Description: Unspecified vitamin B deficiency

Code Classification:

Endocrine, nutritional and metabolic diseases, and immunity disorders (240–279)
- Nutritional deficiencies (260-269)
  - 266 Deficiency of B-complex components
    - 266.9 Vitamin b deficiency NOS

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 266.9 has the following ICD-9-CM references to the Index of Diseases and Injuries

Avitaminosis (multiple NEC) (see also Deficiency, vitamin) 269.2
- B 266.9
  - with
    - beriberi 265.0
    - pellagra 265.2

Deficiency, deficient
- vitamin (multiple) NEC 269.2
  - B (complex) NEC 266.9
    - with
      - beriberi 265.0
      - pellagra 265.2
    - specified type NEC 266.2

Encephalopathy (acute) 348.30
- vitamin B deficiency NEC 266.9

Polyneuropathy (peripheral) 356.9
- in
  - deficiency
    - vitamin B 266.9 [357.4]

Crosswalk Information

The code 266.9 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
266.9		E53.9	Vitamin B deficiency, unspecified

This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code	ICD-9 Description
266.0	Ariboflavinosis
266.1	Vitamin B6 deficiency
266.2	Other B-complex deficiencies

This page was last updated on: 10/1/2014

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