E83.822 — ENPP1 deficiency causing autosomal recessive hypophosphatemic rickets type 2
E83.822 is a billable, specific ICD-10-CM code for enpp1 deficiency causing autosomal recessive hypophosphatemic rickets type 2. It is valid for submission on a claim.
Risk adjustment
E83.822 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
E83.822 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57122Billing and Coding: Parathormone (Parathyroid Hormone)
How E83.822 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 E83.822.
- Deficiency, deficient›ENPP1›causing›autosomal recessive hypophosphatemic rickets type 2
Related codes at this level
Codes that share E83.82. If E83.822 is not quite right, the correct code is usually one of these.
- E83.820Generalized arterial calcification of infancy with unspecified genetic causality
- E83.821ENPP1 deficiency causing generalized arterial calcification of infancy
- E83.823ABCC6 deficiency causing generalized arterial calcification of infancy
- E83.824ABCC6 deficiency causing pseudoxanthoma elasticum
- E83.825CD73 deficiency causing arterial calcification
Questions about E83.822
- Is E83.822 a billable ICD-10-CM code?
- Yes. E83.822 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does E83.822 sit in the tabular list?
- Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).