ICD-10-CM › E00-E89 › E70-E88 › E88 Other and unspecified metabolic disorders › E88.A

Valid for claims with a date of service in the current code year.

Valid FY2024 onwards.

What has happened to this code

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from E88 Other and unspecified metabolic disorders

Excludes1 - never coded here

• histiocytosis X (chronic) (C96.6)

Use additional code

• codes for associated conditions

Inherited from the E70-E88 section Metabolic disorders (E70-E88)

Excludes1 - never coded here

• androgen insensitivity syndrome (E34.5-)
• congenital adrenal hyperplasia (E25.0)
• hemolytic anemias attributable to enzyme disorders (D55.-)
• Marfan syndrome (Q87.4-)
• 5-alpha-reductase deficiency (E29.1)

Excludes2 - not included here

• Ehlers-Danlos syndromes (Q79.6-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

• Wasting > disease
• Disease, diseased > wasting NEC
• Cachexia > due to > malnutrition
• Cachexia > due to > underlying condition
• Syndrome > wasting due to underlying condition
• Wasting > disease > due to > underlying condition
• Disease, diseased > wasting NEC > due to > underlying condition

Codes in the same group

Code	Description	Status
E88.0	Disorders of plasma-protein metabolism, not elsewhere classified	Not billable
E88.1	Lipodystrophy, not elsewhere classified	Not billable
E88.2	Lipomatosis, not elsewhere classified	Valid
E88.3	Tumor lysis syndrome	Valid
E88.4	Mitochondrial metabolism disorders	Not billable
E88.8	Other specified metabolic disorders	Not billable
E88.9	Metabolic disorder, unspecified	Valid