Chapter 15

O00–O9A: Pregnancy, Childbirth and the Puerperium

Pregnancy, Childbirth and the Puerperium diagnostic classification updated for 2026.

Chapter Instructions

Excludes1(Not coded here. Use a different code.)

supervision of normal pregnancy (Z34.-)

Excludes2(Not included here. Code separately if applicable.)

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Use Additional Code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

All Codes Billable Only

Internal Codes

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O60.20X5|
Term delivery with preterm labor, unspecified trimester, fetus 5
O60.20X9|
Term delivery with preterm labor, unspecified trimester, other fetus
O60.22|
Term delivery with preterm labor, second trimester
O60.22X0|
Term delivery with preterm labor, second trimester, not applicable or unspecified
O60.22X1|
Term delivery with preterm labor, second trimester, fetus 1
O60.22X2|
Term delivery with preterm labor, second trimester, fetus 2
O60.22X3|
Term delivery with preterm labor, second trimester, fetus 3
O60.22X4|
Term delivery with preterm labor, second trimester, fetus 4
O60.22X5|
Term delivery with preterm labor, second trimester, fetus 5
O60.22X9|
Term delivery with preterm labor, second trimester, other fetus
O60.23|
Term delivery with preterm labor, third trimester
O60.23X0|
Term delivery with preterm labor, third trimester, not applicable or unspecified
O60.23X1|
Term delivery with preterm labor, third trimester, fetus 1
O60.23X2|
Term delivery with preterm labor, third trimester, fetus 2
O60.23X3|
Term delivery with preterm labor, third trimester, fetus 3
O60.23X4|
Term delivery with preterm labor, third trimester, fetus 4
O60.23X5|
Term delivery with preterm labor, third trimester, fetus 5
O60.23X9|
Term delivery with preterm labor, third trimester, other fetus
O61|
Failed induction of labor
O61.0|
Failed medical induction of labor
O61.1|
Failed instrumental induction of labor
O61.8|
Other failed induction of labor
O61.9|
Failed induction of labor, unspecified
O62|
Abnormalities of forces of labor
O62.0|
Primary inadequate contractions
O62.1|
Secondary uterine inertia
O62.2|
Other uterine inertia
O62.3|
Precipitate labor
O62.4|
Hypertonic, incoordinate, and prolonged uterine contractions
O62.8|
Other abnormalities of forces of labor
O62.9|
Abnormality of forces of labor, unspecified
O63|
Long labor
O63.0|
Prolonged first stage (of labor)
O63.1|
Prolonged second stage (of labor)
O63.2|
Delayed delivery of second twin, triplet, etc.
O63.9|
Long labor, unspecified
O64|
Obstructed labor due to malposition and malpresentation of fetus
O64.0|
Obstructed labor due to incomplete rotation of fetal head
O64.0XX0|
Obstructed labor due to incomplete rotation of fetal head, not applicable or unspecified
O64.0XX1|
Obstructed labor due to incomplete rotation of fetal head, fetus 1
O64.0XX2|
Obstructed labor due to incomplete rotation of fetal head, fetus 2
O64.0XX3|
Obstructed labor due to incomplete rotation of fetal head, fetus 3
O64.0XX4|
Obstructed labor due to incomplete rotation of fetal head, fetus 4
O64.0XX5|
Obstructed labor due to incomplete rotation of fetal head, fetus 5
O64.0XX9|
Obstructed labor due to incomplete rotation of fetal head, other fetus
O64.1|
Obstructed labor due to breech presentation
O64.1XX0|
Obstructed labor due to breech presentation, not applicable or unspecified
O64.1XX1|
Obstructed labor due to breech presentation, fetus 1
O64.1XX2|
Obstructed labor due to breech presentation, fetus 2
O64.1XX3|
Obstructed labor due to breech presentation, fetus 3

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