O41.02X3 is the authoritative medical code for Oligohydramnios, second trimester, fetus 3. This classification is used in medical billing and clinical recording to specify the clinical criteria for oligohydramnios, second trimester, fetus 3 (ICD-10-CM O41.02X3), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Oligohydramnios, second trimester, fetus 3 is a billable ICD-10-CM diagnosis code O41.023. Excludes1 (not coded here): encounter for suspected maternal and fetal conditions ruled out Z03.7-. 7th character: 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..
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for O41.02X3 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- encounter for suspected maternal and fetal conditions ruled out Z03.7-
Frequently Asked Questions (FAQ) & Clinical Guidance
Does O41.02X3 require a 7th character?
Yes. 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..
What can't be coded together with O41.02X3?
Per official ICD-10-CM Excludes1 instructions, O41.02X3 must not be reported together with: encounter for suspected maternal and fetal conditions ruled out (Z03.7-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to O41.02X3 in its code family, with their registry titles.
- O41 — Other disorders of amniotic fluid and membranes
- O41.0 — Oligohydramnios
- 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
- O41.00X4 — Oligohydramnios, unspecified trimester, fetus 4
- O41.00X5 — Oligohydramnios, unspecified trimester, fetus 5
- O41.00X9 — Oligohydramnios, unspecified trimester, other fetus
View all 40 codes in the O41 family