 O40 |
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Polyhydramnios |
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| Includes |
hydramnios
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| Excludes1 |
encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
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| char7Note |
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.
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| char7Def |
0: not applicable or unspecified
1: fetus 1
2: fetus 2
3: fetus 3
4: fetus 4
5: fetus 5
9: other fetus
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 O40.1 |
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Polyhydramnios, first trimester |
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| O40.2 |
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Polyhydramnios, second trimester |
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| O40.3 |
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Polyhydramnios, third trimester |
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| O40.9 |
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Polyhydramnios, unspecified trimester |
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