E34.5 vs E87
E34.5 (Androgen insensitivity syndrome) compared with E87 (Other disorders of fluid, electrolyte and acid-base balance), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. E87 carries an Excludes1 note covering E34.5: “androgen insensitivity syndrome (E34.5-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| E34.5Androgen insensitivity syndrome | E87Other disorders of fluid, electrolyte and acid-base balance | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) |
| Definition | Androgen insensitivity syndrome is a non-billable ICD-10-CM category code (E34.5). | Other disorders of fluid, electrolyte and acid-base balance is a non-billable ICD-10-CM category code (E87). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources