O40 - Polyhydramnios
Includes:
-hydramnios
Excludes 1:
-encounter for suspected maternal and fetal conditions ruled out Z03.7-)
sevenChrNote:
-One of the following 7th characters is to be assigned to each code under category O40. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O40 that has a 7th character of 1 through 9.
sevenChrDef:
0 - not applicable or unspecified
1 - fetus 1
2 - fetus 2
3 - fetus 3
4 - fetus 4
5 - fetus 5
9 - other fetus
O40.1 - Polyhydramnios, first trimester
O40.2 - Polyhydramnios, second trimester
O40.3 - Polyhydramnios, third trimester
O40.9 - Polyhydramnios, unspecified trimester