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E86 vs T86.85

E86 (Volume depletion) compared with T86.85 (Complication of intestine transplant), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. T86.85 carries an Excludes2 note covering E86: “disorders of fluid and electrolyte imbalance (E86-E87)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

E86Volume depletionT86.85Complication of intestine transplant
Billing statusNon-billable header

Report instead: E86.0, E86.1, E86.9

Non-billable header

Report instead: T86.850, T86.851, T86.852, T86.858, T86.859

ClassificationE00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionVolume depletion is a non-billable ICD-10-CM category code (E86).Complication of intestine transplant is a non-billable ICD-10-CM category code (T86.85).
Use additional code
code(s) for any associated disorders of electrolyte and acid-base balance (E87.-)
code to identify other transplant complications, such as:
graft-versus-host disease (D89.81-)
malignancy associated with organ transplant (C80.2)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources