Is E52 a billable ICD-10-CM code?

Yes. E52 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does E52 sit in the tabular list?

Endocrine, nutritional and metabolic diseases (E00-E89), in the block Other nutritional deficiencies (E50-E64).

What cannot be coded together with E52?

E52 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

E52

E52 — Niacin deficiency [pellagra]

Billable / specific codeICD-10-CM

E52 is a billable, specific ICD-10-CM code for niacin deficiency [pellagra]. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

sequelae of niacin deficiency (E64.8)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Niacin (-tryptophan) deficiency
Nicotinamide deficiency
Pellagra (alcoholic)

Risk adjustment

E52 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

E52 is named in 11 Medicare coverage policies — 11 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52996Billing and Coding: Routine Foot Care
A56232Billing and Coding: Foot Care
A56680Billing and Coding: Routine Foot Care
A57188Billing and Coding: Routine Foot Care

How E52 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to E52.

Niacin deficiency(amide)
Nicotinic acid deficiency
Pellagra(alcoholic)
Alcohol, alcoholic, alcohol-induced›pellagra
Avitaminosis›nicotinic acid
Cheilosis›with pellagra
Deficiency, deficient›niacin(amide) (-tryptophan)
Deficiency, deficient›nicotinamide
Deficiency, deficient›nicotinic acid
Dermatitis›pellagrous
Encephalopathy›pellagrous
Erythema, erythematous›endemic

Questions about E52

Is E52 a billable ICD-10-CM code?: Yes. E52 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E52 sit in the tabular list?: Endocrine, nutritional and metabolic diseases (E00-E89), in the block Other nutritional deficiencies (E50-E64).
What cannot be coded together with E52?: E52 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.