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O00 vs T86.8412

O00 (Ectopic pregnancy) compared with T86.8412 (Corneal transplant failure, left eye), 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. T86.8412 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 pregnancyT86.8412Corneal transplant failure, left eye
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).Corneal transplant failure, left eye is a billable ICD-10-CM diagnosis code (T86.8412).
Includes
ruptured ectopic pregnancy
Use additional code
code from category O08 to identify any associated complication
code to identify other transplant complications, such as:
graft-versus-host disease (D89.81-)
malignancy associated with organ transplant (C80.2)

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