E86 vs Q79.6

E86 (Volume depletion) compared with Q79.6 (Ehlers-Danlos syndromes), 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. E86 carries an Excludes2 note covering Q79.6: “Ehlers-Danlos syndromes (Q79.6-)”

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

Side by side

	E86Volume depletion	Q79.6Ehlers-Danlos syndromes
Billing status	Non-billable header Report instead: E86.0, E86.1, E86.9	Non-billable header Report instead: Q79.60, Q79.61, Q79.62, Q79.63, Q79.69
Classification	E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89)	Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99)
Definition	Volume depletion is a non-billable ICD-10-CM category code (E86).	Ehlers-Danlos syndromes is a non-billable ICD-10-CM category code (Q79.6).
Use additional code	code(s) for any associated disorders of electrolyte and acid-base balance (E87.-)	—

Edit this comparison Check a whole claim

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