- ICD-10-CM Codes ›
- O00-O9A ›
- O30-O48 ›
- O41- ›
- 2025 ICD-10-CM Diagnosis Code O41.0
Oligohydramnios
- 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Non-Billable/Non-Specific Code
- O41.0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2025 edition of ICD-10-CM O41.0 became effective on October 1, 2024.
- This is the American ICD-10-CM version of O41.0 - other international versions of ICD-10 O41.0 may differ.
Applicable To
- Oligohydramnios without rupture of membranes
The following code(s) above O41.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to O41.0:
- O00-O9A
2025 ICD-10-CM Range O00-O9A
Pregnancy, childbirth and the puerperiumPregnancy, childbirth and the puerperium
Note
- CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- 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)
- Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- 1st trimester- less than 14 weeks 0 days
- 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- 3rd trimester- 28 weeks 0 days until delivery
Type 1 Excludes
- supervision of normal pregnancy (Z34.-)
Type 2 Excludes
- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
Use Additional
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
- O41
ICD-10-CM Diagnosis Code O41
Other disorders of amniotic fluid and membranesOther disorders of amniotic fluid and membranes
- 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Non-Billable/Non-Specific Code
Type 1 Excludes
- encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
Clinical Information
- A condition of abnormally low amniotic fluid volume. Principal causes include malformations of fetal urinary tract; fetal growth retardation; gestational hypertension; nicotine poisoning; and prolonged pregnancy.
- A lower than normal volume of amniotic fluid observed by ultrasound during pregnancy.
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Diagnosis Index entries containing back-references to O41.0:
- Oligohydramnios O41.0-
- Pregnancy (single) (uterine) Z33.1 - see also Delivery and Puerperal
ICD-10-CM Diagnosis Code Z33.1
Pregnant state, incidental
- 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
Applicable To
- Pregnancy NOS
- Pregnant state NOS
Type 1 Excludes
- complications of pregnancy (O00-O9A)
- pregnant state, gestational carrier (Z33.3)
ICD-10-CM Codes Adjacent To O41.0
O40.3XX9 …… other fetus
O40.9 Polyhydramnios, unspecified trimester
O40.9XX0 …… not applicable or unspecified
O40.9XX1 …… fetus 1
O40.9XX2 …… fetus 2
O40.9XX3 …… fetus 3
O40.9XX4 …… fetus 4
O40.9XX5 …… fetus 5
O40.9XX9 …… other fetus
O41 Other disorders of amniotic fluid and membranes
O41.0 Oligohydramnios
O41.00 Oligohydramnios, unspecified trimester
O41.00X0 …… not applicable or unspecified
O41.00X1 …… fetus 1
O41.00X2 …… fetus 2
O41.00X3 …… fetus 3
O41.00X4 …… fetus 4
O41.00X5 …… fetus 5
O41.00X9 …… other fetus
O41.01 Oligohydramnios, first trimester
O41.01X0 …… not applicable or unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
