Polyhydramnios, first trimester
Requires 7th character
O40.1 requires a 7th character to be reported. Choose a complete code below.
Inclusion terms
Includes (from O40)
- hydramnios
- Note: CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- Note: Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
- Note: Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- Note: 1st trimester- less than 14 weeks 0 days
- Note: 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- Note: 3rd trimester- 28 weeks 0 days until delivery
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
Use additional code
Add a code to identify the following, if applicable.
7th character
This code requires a 7th character (defined at O40). Use the placeholder "X" for missing positions.
| Character | Meaning |
|---|---|
| 0 | not applicable or unspecified |
| 1 | fetus 1 |
| 2 | fetus 2 |
| 3 | fetus 3 |
| 4 | fetus 4 |
| 5 | fetus 5 |
| 9 | other fetus |
Parent code
- O40PolyhydramniosNeeds 7th char
More specific codes O40.1
- O40.1XX0Polyhydramnios, first trimester, not applicable or unspecifiedBillable
- O40.1XX1Polyhydramnios, first trimester, fetus 1Billable
- O40.1XX2Polyhydramnios, first trimester, fetus 2Billable
- O40.1XX3Polyhydramnios, first trimester, fetus 3Billable
- O40.1XX4Polyhydramnios, first trimester, fetus 4Billable
- O40.1XX5Polyhydramnios, first trimester, fetus 5Billable
- O40.1XX9Polyhydramnios, first trimester, other fetusBillable