Is O26 a billable ICD-10-CM code?

No. O26 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does O26 sit in the tabular list?

Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other maternal disorders predominantly related to pregnancy (O20-O29).

O26

O26 — Maternal care for other conditions predominantly related to pregnancy

Non-billable headerICD-10-CM

O26 is a non-billable header ICD-10-CM code for maternal care for other conditions predominantly related to pregnancy. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with O26

These codes carry an Excludes1 note pointing at O26. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading O26 alone.

L12Pemphigoid
N96Recurrent pregnancy loss
R03.1Nonspecific low blood-pressure reading
R34Anuria and oliguria
R53.8Other malaise and fatigue
R63.5Abnormal weight gain
I95Hypotension
Z03.7Encounter for suspected maternal and fetal conditions ruled out

Risk adjustment

O26 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead O26

10 child codes. Green means billable.

Questions about O26

Is O26 a billable ICD-10-CM code?: No. O26 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does O26 sit in the tabular list?: Pregnancy, childbirth and the puerperium (O00-O9A), in the block Other maternal disorders predominantly related to pregnancy (O20-O29).