ICDwise
O00–O9A

Pregnancy, Childbirth and the Puerperium

Prenatal care, delivery, postpartum conditions

3,079 codes · FY2026 · ICD-10-CM · Page 20 of 62

O31.41X0 Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, not applicable or unspecified Billable O31.41X1 Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 1 Billable O31.41X2 Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 2 Billable O31.41X3 Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 3 Billable O31.41X4 Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 4 Billable O31.41X5 Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 5 Billable O31.41X9 Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, other fetus Billable O31.42 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester Non-billable O31.42X0 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, not applicable or unspecified Billable O31.42X1 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 1 Billable O31.42X2 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 2 Billable O31.42X3 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 3 Billable O31.42X4 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 4 Billable O31.42X5 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 5 Billable O31.42X9 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, other fetus Billable O31.43 Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester Non-billable O31.43X0 Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, not applicable or unspecified Billable O31.43X1 Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 1 Billable O31.43X2 Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 2 Billable O31.43X3 Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 3 Billable O31.43X4 Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 4 Billable O31.43X5 Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 5 Billable O31.43X9 Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, other fetus Billable O31.8 Other complications specific to multiple gestation Non-billable O31.8X Other complications specific to multiple gestation Non-billable O31.8X1 Other complications specific to multiple gestation, first trimester Non-billable O31.8X10 Other complications specific to multiple gestation, first trimester, not applicable or unspecified Billable O31.8X11 Other complications specific to multiple gestation, first trimester, fetus 1 Billable O31.8X12 Other complications specific to multiple gestation, first trimester, fetus 2 Billable O31.8X13 Other complications specific to multiple gestation, first trimester, fetus 3 Billable O31.8X14 Other complications specific to multiple gestation, first trimester, fetus 4 Billable O31.8X15 Other complications specific to multiple gestation, first trimester, fetus 5 Billable O31.8X19 Other complications specific to multiple gestation, first trimester, other fetus Billable O31.8X2 Other complications specific to multiple gestation, second trimester Non-billable O31.8X20 Other complications specific to multiple gestation, second trimester, not applicable or unspecified Billable O31.8X21 Other complications specific to multiple gestation, second trimester, fetus 1 Billable O31.8X22 Other complications specific to multiple gestation, second trimester, fetus 2 Billable O31.8X23 Other complications specific to multiple gestation, second trimester, fetus 3 Billable O31.8X24 Other complications specific to multiple gestation, second trimester, fetus 4 Billable O31.8X25 Other complications specific to multiple gestation, second trimester, fetus 5 Billable O31.8X29 Other complications specific to multiple gestation, second trimester, other fetus Billable O31.8X3 Other complications specific to multiple gestation, third trimester Non-billable O31.8X30 Other complications specific to multiple gestation, third trimester, not applicable or unspecified Billable O31.8X31 Other complications specific to multiple gestation, third trimester, fetus 1 Billable O31.8X32 Other complications specific to multiple gestation, third trimester, fetus 2 Billable O31.8X33 Other complications specific to multiple gestation, third trimester, fetus 3 Billable O31.8X34 Other complications specific to multiple gestation, third trimester, fetus 4 Billable O31.8X35 Other complications specific to multiple gestation, third trimester, fetus 5 Billable O31.8X39 Other complications specific to multiple gestation, third trimester, other fetus Billable O31.8X9 Other complications specific to multiple gestation, unspecified trimester Non-billable

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