Skip to main content
Compare/I97.1 vs T88

I97.1 vs T88

I97.1 (Other postprocedural cardiac functional disturbances) compared with T88 (Other complications of surgical and medical care, not elsewhere classified), 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. T88 carries an Excludes2 note covering I97.1: “functional disturbances following cardiac surgery (I97.0-I97.1)”

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

Side by side

I97.1Other postprocedural cardiac functional disturbancesT88Other complications of surgical and medical care, not elsewhere classified
Billing statusNon-billable header

Report instead: I97.110, I97.111, I97.120, I97.121, I97.130

Non-billable header

Report instead: T88.0XXA, T88.0XXD, T88.0XXS, T88.1XXA, T88.1XXD

ClassificationI00-I99 — Diseases of the Circulatory System (I00-I99)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionOther postprocedural cardiac functional disturbances is a non-billable ICD-10-CM category code (I97.1).Other complications of surgical and medical care, not elsewhere classified is a non-billable ICD-10-CM category code (T88).
7th characterThe appropriate 7th character is to be added to each code from category T88
Use additional code
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