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E86 vs T85.690D

E86 (Volume depletion) compared with T85.690D (Other mechanical complication of cranial or spinal infusion catheter, subsequent encounter), 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. T85.690D 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 depletionT85.690DOther mechanical complication of cranial or spinal infusion catheter, subsequent encounter
Billing statusNon-billable header

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

Billable
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).Other mechanical complication of cranial or spinal infusion catheter, subsequent encounter is a billable ICD-10-CM diagnosis code (T85.690D).
7th characterThe appropriate 7th character is to be added to each code from category T85
Includes
Other mechanical complication of epidural infusion catheter
Other mechanical complication of intrathecal infusion catheter
Other mechanical complication of subarachnoid infusion catheter
Other mechanical complication of subdural infusion catheter
Use additional code
code(s) for any associated disorders of electrolyte and acid-base balance (E87.-)
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
code(s) to identify the specified condition resulting from the complication
code to identify devices involved and details of circumstances (Y62-Y82)

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