O40 - Polyhydramnios

The ICD 10 Code for Polyhydramnios is listed as O40.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	O40
Description:	Polyhydramnios Includes: hydramnios Excludes1: encounter for suspected maternal and fetal conditions ruled out (Z03.7-) 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. 0 - not applicable or unspecified 1 - fetus 1 2 - fetus 2 3 - fetus 3 4 - fetus 4 5 - fetus 5 9 - other fetus

Chapter	Pregnancy, childbirth and the puerperium (O00-O9A)
ICD-10-CM Children (deeper level / typically more specific) of O40:
O40.1 - Polyhydramnios, first trimester
O40.2 - Polyhydramnios, second trimester
O40.3 - Polyhydramnios, third trimester
O40.9 - Polyhydramnios, unspecified trimester