E52

Niacin deficiency [pellagra]

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 3 never code together

E52code

Excludes1

Excludes2

Excludes1

transitory endocrine and metabolic disorders specific to newborn (P70-P74)P70-P74

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 4

E52code

Inclusion terms

Notes

All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.E05.8 E07.0 E16-E31 E34.-

Index entries leading here 17

Acid
- deficiency
  - amide nicotinic E52
  - nicotinic E52
Alcohol, alcoholic, alcohol-induced
- pellagra E52
Avitaminosis (multiple) E56.9
- nicotinic acid E52
- B E53.9
  - with
    - pellagra E52
Deficiency, deficient
- vitamin (multiple) NOS E56.9
  - B (complex) NOS E53.9
    - with
      - pellagra E52
  - PP (pellagra-preventing) E52
  - nicotinic E52
- niacin (amide) (-tryptophan) E52
- nicotinamide E52
- nicotinic acid E52
Cheilosis (angular) K13.0
- with pellagra E52
Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) F03.90
- in (due to)
  - pellagra E52
    - with behavioral disturbance E52
  - niacin deficiency E52
    - with behavioral disturbance E52
Dermatitis (eczematous) L30.9
- pellagrous E52
Encephalopathy (acute) G93.40
- pellagrous E52
Erythema, erythematous (infectional) (inflammation) L53.9
- endemic E52
Gingivitis K05.10
- pellagrous E52
Glossitis (chronic superficial) (gangrenous) (Moeller's) K14.0
- pellagrous E52
Polyneuropathy (peripheral) G62.9
- in (due to)
  - pellagra E52
Niacin (amide) deficiency E52
Nicotinic acid deficiency E52
Polioencephalopathy, superior hemorrhagic E51.2
- with
  - pellagra E52
Pellagra (alcoholic) E52
- with
  - polyneuropathy E52
Syndrome — see also Disease
- pellagroid E52

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.