O47.0 False labor before 37 completed weeks of gestationNon-billable header with 3 child codes.
O47.00 False labor before 37 completed weeks of gestation, unspecified trimesterO47.02 False labor before 37 completed weeks of gestation, second trimesterO47.03 False labor before 37 completed weeks of gestation, third trimesterO60 Preterm labor ("false labor (O47.0-)")O60 Preterm labor ("threatened labor NOS (O47.0-)")O47 False laborO47.0 False labor before 37 completed weeks of gestation (this code)O47.00 False labor before 37 completed weeks of gestation, unspecified trimesterO47.02 False labor before 37 completed weeks of gestation, second trimesterO47.03 False labor before 37 completed weeks of gestation, third trimesterO47.1 False labor at or after 37 completed weeks of gestationO47.9 False labor, unspecified