E88 Other and unspecified metabolic disorders

Category / Non-billable header 29 subcodes

Block: Metabolic disorders (E70-E88)

Excludes 1 (cannot be coded together)

  • histiocytosis X (chronic) (C96.6)

Use Additional Code

  • codes for associated conditions

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
E88..0 Disorders of plasma-protein metabolism, not elsewhere classified No
E88..01 Alpha-1-antitrypsin deficiency Yes
E88..02 Plasminogen deficiency Yes
E88..09 Other disorders of plasma-protein metabolism, not elsewhere classified Yes
E88..1 Lipodystrophy, not elsewhere classified No
E88..10 Lipodystrophy, unspecified Yes
E88..11 Partial lipodystrophy Yes
E88..12 Generalized lipodystrophy Yes
E88..13 Localized lipodystrophy Yes
E88..14 HIV-associated lipodystrophy Yes
E88..19 Other lipodystrophy, not elsewhere classified Yes
E88..2 Lipomatosis, not elsewhere classified Yes
E88..3 Tumor lysis syndrome Yes
E88..4 Mitochondrial metabolism disorders No
E88..40 Mitochondrial metabolism disorder, unspecified Yes
E88..41 MELAS syndrome Yes
E88..42 MERRF syndrome Yes
E88..43 Disorders of mitochondrial tRNA synthetases Yes
E88..49 Other mitochondrial metabolism disorders Yes
E88..8 Other specified metabolic disorders No
E88..81 Metabolic syndrome and other insulin resistance No
E88..810 Metabolic syndrome Yes
E88..811 Insulin resistance syndrome, Type A Yes
E88..818 Other insulin resistance Yes
E88..819 Insulin resistance, unspecified Yes
E88..82 Obesity due to disruption of MC4R pathway Yes
E88..89 Other specified metabolic disorders Yes
E88..9 Metabolic disorder, unspecified Yes
E88..A Wasting disease (syndrome) due to underlying condition Yes

Last reviewed: September 2026