Effective from
- Inherited rules changed
Oligohydramnios
Category — select a more specific code
CDC/NCHS · FY2024code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
supervision of normal pregnancy (Z34.-)
encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
0 — not applicable or unspecified
1 — fetus 1
2 — fetus 2
3 — fetus 3
4 — fetus 4
5 — fetus 5
9 — other fetus
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2024
Effective from
Oligohydramnios
Category — select a more specific code
CDC/NCHS · FY2024| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | Inherited rules changed |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | Inherited rules changed |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | No tabular change |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | Inherited rules changed |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
Oligohydramnios without rupture of membranes
supervision of normal pregnancy (Z34.-)
code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
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.
0 — not applicable or unspecified
1 — fetus 1
2 — fetus 2
3 — fetus 3
4 — fetus 4
5 — fetus 5
9 — other fetus
O41.00Oligohydramnios, unspecified trimesterCategory · further specificity requiredO41.01Oligohydramnios, first trimesterCategory · further specificity requiredO41.02Oligohydramnios, second trimesterCategory · further specificity requiredO41.03Oligohydramnios, third trimesterCategory · further specificity requiredOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| O41.1 | Infection of amniotic sac and membranes | Category · further specificity required |
| O41.8 | Other specified disorders of amniotic fluid and membranes | Category · further specificity required |
| O41.9 | Disorder of amniotic fluid and membranes, unspecified | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗