Alphabetic Index FY2027

E74.9

Disorder of carbohydrate metabolism, unspecified

FY2027Chapter 4: Endocrine, nutritional and metabolic diseases/E70–E88 Metabolic disorders

BillableComplete code, valid to report

E74.9 (also written E749) is a billable ICD-10-CM diagnosis code for disorder of carbohydrate metabolism, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 24 codes in category E74 (Other disorders of carbohydrate metabolism). The Alphabetic Index lists it under 3 entries. Its coding notes include 10 Excludes1 entries and 1 Excludes2 entry.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from E74 Other disorders of carbohydrate metabolism
Also from chapter/block level (6 notes)
Inherited from E70–E88 Metabolic disorders
  • 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)
Inherited from Chapter 4 Endocrine, nutritional and metabolic diseases
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (1 note)
Inherited from E70–E88 Metabolic disorders
  • Ehlers-Danlos syndromes (Q79.6-)

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 4 Endocrine, nutritional and metabolic diseases
  • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 3 entries