O99.12

O99.12: Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth

Billable / specific codeICD-10-CM

O99.12 is a billable, specific ICD-10-CM code for other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth. It is valid for submission on a claim.

Check O99.12 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above O99.12

A category’s note binds every code beneath it.

Written on O99.1: Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium

hemorrhage with coagulation defects (O45.-, O46.0-, O67.0, O72.3)

Excludes2 inherited from the categories above O99.12

Not part of this code, but both may be coded when both are present.

Written on O99: Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

Delivery›complicated›by›blood disorder NEC

Code history

Unchanged in every release from FY2024 to FY2027.