E88.9 — Metabolic disorder, unspecified
E88.9 is a billable, specific ICD-10-CM code for metabolic disorder, unspecified. It is valid for submission on a claim.
Risk adjustment
E88.9 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
E88.9 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
How E88.9 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 E88.9.
- Cardiomyopathy›metabolic
- Complication›metabolic
- Disease, diseased›metabolic, metabolism
- Disorder›metabolism NOS
- Disturbance›metabolism
- Arthritis, arthritic›in›metabolic disorder NEC
- Arthropathy›in›metabolic disease NOS
- Cataract›in›metabolic disease
- Disease, diseased›skin›due to metabolic disorder NEC
- Disorder›metabolism NOS›congenital
- Disturbance›metabolism›general
- Glaucoma›in›metabolic disease NOS
Related codes at this level
Codes that share E88. If E88.9 is not quite right, the correct code is usually one of these.
- E88.0Disorders of plasma-protein metabolism, not elsewhere classified
- E88.1Lipodystrophy, not elsewhere classified
- E88.2Lipomatosis, not elsewhere classified
- E88.3Tumor lysis syndrome
- E88.4Mitochondrial metabolism disorders
- E88.8Other specified metabolic disorders
- E88.AWasting disease (syndrome) due to underlying condition
Questions about E88.9
- Is E88.9 a billable ICD-10-CM code?
- Yes. E88.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does E88.9 sit in the tabular list?
- Endocrine, nutritional and metabolic diseases (E00-E89), in the block Metabolic disorders (E70-E88).