ICD-10-CM › E52 E52 Niacin deficiency [pellagra]Billable ICD-10-CM code, FY2026.
Applicable to Niacin (-tryptophan) deficiency Nicotinamide deficiency Pellagra (alcoholic) Excludes1 (never code together) sequelae of niacin deficiency (E64.8) Applies from E52 Niacin deficiency [pellagra] Applicable to Niacin (-tryptophan) deficiency Nicotinamide deficiency Pellagra (alcoholic) Excludes1 (never code together) sequelae of niacin deficiency (E64.8) MS-DRG index Defines the logic of DRG(s) 640-641 in MDC 10.
Approximate ICD-9-CM (GEMs) Code annotations containing back-references to E52 Back-references to E52 Code First: F02 Dementia in other diseases classified elsewhere ("niacin deficiency [pellagra] (E52)") Code First: G32.8 Other specified degenerative disorders of nervous system in diseases classified elsewhere ("cerebral degeneration (due to) vitamin B deficiency, except thiamine (E52-E53.-)") Code First: G63 Polyneuropathy in diseases classified elsewhere ("nutritional deficiency (E40-E64)") Type 1 Excludes: T45.2X6 Underdosing of vitamins ("vitamin deficiencies (E50-E56)") Type 1 Excludes: Z72.4 Inappropriate diet and eating habits ("malnutrition and other nutritional deficiencies (E40-E64)") Back-references to E52 Code First: F02 Dementia in other diseases classified elsewhere ("niacin deficiency [pellagra] (E52)") Code First: G32.8 Other specified degenerative disorders of nervous system in diseases classified elsewhere ("cerebral degeneration (due to) vitamin B deficiency, except thiamine (E52-E53.-)") Code First: G63 Polyneuropathy in diseases classified elsewhere ("nutritional deficiency (E40-E64)") Type 1 Excludes: T45.2X6 Underdosing of vitamins ("vitamin deficiencies (E50-E56)") Type 1 Excludes: Z72.4 Inappropriate diet and eating habits ("malnutrition and other nutritional deficiencies (E40-E64)") Diagnosis Index entries for E52 Acid › deficiency › amide nicotinic Acid › deficiency › nicotinic Alcohol, alcoholic, alcohol-induced › pellagra Avitaminosis (multiple) › B › with › pellagra Avitaminosis (multiple) › nicotinic acid Cheilosis (angular) › with pellagra Deficiency, deficient › niacin (amide) (-tryptophan) Deficiency, deficient › nicotinamide Deficiency, deficient › nicotinic acid Deficiency, deficient › vitamin (multiple) NOS › B (complex) NOS › with › pellagra Deficiency, deficient › vitamin (multiple) NOS › nicotinic Deficiency, deficient › vitamin (multiple) NOS › PP (pellagra-preventing) Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) › in (due to) › niacin deficiency Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) › in (due to) › niacin deficiency › with behavioral disturbance Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) › in (due to) › pellagra Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) › in (due to) › pellagra › with behavioral disturbance Dermatitis (eczematous) › pellagrous Encephalopathy (acute) › pellagrous Erythema, erythematous (infectional) (inflammation) › endemic Gingivitis › pellagrous Glossitis (chronic superficial) (gangrenous) (Moeller's) › pellagrous Niacin (amide) deficiency Nicotinic acid deficiency Pellagra (alcoholic) Pellagra (alcoholic) › with › polyneuropathy Polioencephalopathy, superior hemorrhagic › with › pellagra Polyneuropathy (peripheral) › in (due to) › pellagra Syndrome › pellagroid Nearby codes E52 Niacin deficiency [pellagra] (this code)