I97.0 (Postcardiotomy syndrome) compared with T81.49XA (Infection following a procedure, other surgical site, initial encounter), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“functional disturbances following cardiac surgery (I97.0-I97.1)”
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
Yes, when both are documented. T81.49XA carries an Excludes2 note covering I97.0: “functional disturbances following cardiac surgery (I97.0-I97.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| I97.0Postcardiotomy syndrome | T81.49XAInfection following a procedure, other surgical site, initial encounter | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Postcardiotomy syndrome is a billable ICD-10-CM diagnosis code (I97.0). | Infection following a procedure, other surgical site, initial encounter is a billable ICD-10-CM diagnosis code (T81.49A). |
| 7th character | — | The appropriate 7th character is to be added to each code from category T81 |
| Use additional code | — | code to identify infection code (R65.2-) to identify severe sepsis, if applicable code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources