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O00 vs T80.82XS

O00 (Ectopic pregnancy) compared with T80.82XS (Complication of immune effector cellular therapy, sequela), 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. T80.82XS carries an Excludes2 note covering O00: “complications of surgical procedures during pregnancy, childbirth and the puerperium (O00-O9A)”

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

Side by side

O00Ectopic pregnancyT80.82XSComplication of immune effector cellular therapy, sequela
Billing statusNon-billable header

Report instead: O00.00, O00.01, O00.101, O00.102, O00.109

Billable
ClassificationO00-O9A — Pregnancy, Childbirth and the Puerperium (O00-O9A)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionEctopic pregnancy is a non-billable ICD-10-CM category code (O00).Complication of immune effector cellular therapy, sequela is a billable ICD-10-CM diagnosis code (T80.82S).
7th characterThe appropriate 7th character is to be added to each code from category T80
Includes
ruptured ectopic pregnancy
complications following perfusion
Complication of chimeric antigen receptor (CAR-T) cell therapy
Complication of IEC therapy
Use additional code
code from category O08 to identify any associated complication
code to identify the specific complication, such as:
cytokine release syndrome (D89.83-)
immune effector cell-associated neurotoxicity syndrome (G92.0-)

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