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T85.732 vs Z44

T85.732 (Infection and inflammatory reaction due to implanted electronic neurostimulator of peripheral nerve, electrode (lead)) compared with Z44 (Encounter for fitting and adjustment of external prosthetic device), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Relationship

Informational

Excludes2 relationship

T85.732
Infection and inflammatory reaction due to implanted electronic neurostimulator of peripheral nerve, electrode (lead)
↔
Z44
Encounter for fitting and adjustment of external prosthetic device

Distinct conditions — both may be reported.

“fitting and adjustment of external prosthetic device (Z44.-)”

An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.

Source: CMS ICD-10-CM tabular instructional notes

Can these codes be reported together?

Yes, when both are documented. T85.732 carries an Excludes2 note covering Z44: “fitting and adjustment of external prosthetic device (Z44.-)”

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

Side by side

T85.732Infection and inflammatory reaction due to implanted electronic neurostimulator of peripheral nerve, electrode (lead)Z44Encounter for fitting and adjustment of external prosthetic device
Billing statusNon-billable headerNon-billable header

Report instead: Z44.001, Z44.002, Z44.009, Z44.011, Z44.012

ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99)
DefinitionInfection and inflammatory reaction due to implanted electronic neurostimulator of peripheral nerve, electrode (lead) is a non-billable ICD-10-CM category code (T85.732).Encounter for fitting and adjustment of external prosthetic device is a non-billable ICD-10-CM category code (Z44).
7th characterThe appropriate 7th character is to be added to each code from category T85—
Includes
Infection and inflammatory reaction due to electrode (lead) for cranial nerve neurostimulators
Infection and inflammatory reaction due to electrode (lead) for gastric neurostimulator
Infection and inflammatory reaction due to electrode (lead) for sacral nerve neurostimulator
Infection and inflammatory reaction due to electrode (lead) for vagal nerve neurostimulators
removal or replacement of external prosthetic device
Use additional code
code to identify infection
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
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources