O41.0 Oligohydramnios

Non-billable header with 4 child codes.

Applicable to

• Oligohydramnios without rupture of membranes

Applies from O41 Other disorders of amniotic fluid and membranes

Excludes1 (never code 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 O41. 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 O41 that has a 7th character of 1 through 9.

7th character required

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

Codes under O41.0

• O41.00 Oligohydramnios, unspecified trimester
• O41.01 Oligohydramnios, first trimester
• O41.02 Oligohydramnios, second trimester
• O41.03 Oligohydramnios, third trimester

Code annotations containing back-references to O41.0

Back-references to O41

• Type 1 Excludes: Z03.7 Encounter for suspected maternal and fetal conditions ruled out ("known or suspected fetal anomalies affecting management of mother, not ruled out (O26.-, O35.-, O36.-, O40.-, O41.-)")

Diagnosis Index entries for O41.0

• Oligohydramnios
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › oligohydramnios

Nearby codes

• O41 Other disorders of amniotic fluid and membranes
• O41.0 Oligohydramnios (this code)
• O41.00 Oligohydramnios, unspecified trimester
• O41.00X0 Oligohydramnios, unspecified trimester, not applicable or unspecified
• O41.00X1 Oligohydramnios, unspecified trimester, fetus 1
• O41.00X2 Oligohydramnios, unspecified trimester, fetus 2
• O41.00X3 Oligohydramnios, unspecified trimester, fetus 3