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E88.9

Metabolic disorder, unspecified

Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 7 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 8 never code together
E88code
Excludes1
  • histiocytosis X (chronic) (C96.6)C96.6
E70-E88block
Excludes1
  • androgen insensitivity syndrome (E34.5-)E34.5-
  • congenital adrenal hyperplasia (E25.0)E25.0
  • hemolytic anemias attributable to enzyme disorders (D55.-)D55.-
  • Marfan syndrome (Q87.4-)Q87.4-
  • 5-alpha-reductase deficiency (E29.1)E29.1
Excludes2
  • Ehlers-Danlos syndromes (Q79.6-)Q79.6-
E00-E89chapter
Excludes1
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)P70-P74

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 2
E88code
Use additional code
  • codes for associated conditions
E00-E89chapter
Notes
  • 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.E05.8E07.0E16-E31E34.-
Index entries leading here 12
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
    • in (due to)
      • metabolic disorder NEC E88.9
  • Arthropathy M12.9
    • hemophilic NEC D66
      • in (due to)
        • metabolic disease NOS E88.9
    • in (due to)
      • metabolic disease NOS E88.9
  • Neuropathy, neuropathic G62.9
    • peripheral (nerve) G62.9
      • autonomic G90.9
        • in (due to)
          • metabolic disease NEC E88.9
  • Cardiomyopathy (familial) (idiopathic) I42.9
  • Cataract (cortical) (immature) (incipient) H26.9
    • in (due to)
      • metabolic disease E88.9
  • Complication (s) (from) (of)
  • Disorder (of) — see also Disease
  • Disease, diseased — see also Syndrome
    • skin L98.9
      • due to metabolic disorder NEC E88.9
    • metabolic, metabolism E88.9
  • Disturbance (s) — see also Disease
  • Glaucoma H40.9
    • in (due to)
      • metabolic disease NOS E88.9
  • Myopathy G72.9
    • in (due to)
      • metabolic disease NEC E88.9
  • Polyneuropathy (peripheral) G62.9
    • in (due to)
      • metabolic disease NEC E88.9
Alongside this code 7 same parent — E88
E88.0 Disorders of plasma-protein metabolism, NEC category E88.1 Lipodystrophy, not elsewhere classified category E88.2 Lipomatosis, not elsewhere classified E88.3 Tumor lysis syndrome E88.4 Mitochondrial metabolism disorders category E88.8 Other specified metabolic disorders category E88.A Wasting disease (syndrome) due to underlying condition
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
E88
Block
E70-E88
Siblings
7

Present FY2024–FY2027.