ICDMine.com › Browse ICD-10-CM Codes › Ch. 15: Pregnancy, childbirth and the puerperium (O00-O9A) › Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) › O40

O40Polyhydramnios

ICD-10-CM category (non-billable header) code — part of Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 15: Pregnancy, childbirth and the puerperium (O00-O9A)
Section	Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)

Valid 7th Characters

0	not applicable or unspecified
1	fetus 1
2	fetus 2
3	fetus 3
4	fetus 4
5	fetus 5
9	other fetus

Coding Notes

Includes

hydramnios

Excludes1 (never code both together)

encounter for suspected maternal and fetal conditions ruled out (Z03.7-)

7th Character Note

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.

Subcategories (4)

O40.1 Polyhydramnios, first trimester
O40.2 Polyhydramnios, second trimester
O40.3 Polyhydramnios, third trimester
O40.9 Polyhydramnios, unspecified trimester

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