Is E83.821 a billable ICD-10-CM code?

Yes. E83.821 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does E83.821 sit in the tabular list?

Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).

E83.821

E83.821 — ENPP1 deficiency causing generalized arterial calcification of infancy

Billable / specific codeICD-10-CM

E83.821 is a billable, specific ICD-10-CM code for enpp1 deficiency causing generalized arterial calcification of infancy. It is valid for submission on a claim.

Code also

Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.

, if applicable, associated conditions such as:
heart failure (I50.-)
other secondary hypertension (I15.8)

Risk adjustment

E83.821 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.

How E83.821 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 E83.821.

Deficiency, deficient›ENPP1›causing›generalized arterial calcification of infancy
Calcification›arterial›generalized, of infancy›with›ENPP1 deficiency

Related codes at this level

Codes that share E83.82. If E83.821 is not quite right, the correct code is usually one of these.

Questions about E83.821

Is E83.821 a billable ICD-10-CM code?: Yes. E83.821 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E83.821 sit in the tabular list?: Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).