What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Pregnancy, childbirth and the puerperium (O00-O9A).
When is it used?
- May be used when a clinician documents oligohydramnios in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
15Pregnancy, childbirth and the puerperium (O00-O9A)
block
O30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems
category
O41Other disorders of amniotic fluid and membranes
currentO41
Official coding notes
Inclusion terms
- Oligohydramnios without rupture of membranes
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
ObstetricianGynecologist
Related codes
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 1228877003high
Amniotic fluid volume below reference range
Source: SNOMED International ICD-10 map
SNOMED_CT 59566000high
Oligohydramnios
Source: SNOMED International ICD-10 map
SNOMED_CT 713192002high
Oligohydramnios due to rupture of membranes
Source: SNOMED International ICD-10 map
SNOMED_CT 54213000high
Oligohydramnios without rupture of membranes
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
O41.0
Replacement codes
O41.00 — Oligohydramnios, unspecified trimesterO41.01 — Oligohydramnios, first trimesterO41.02 — Oligohydramnios, second trimesterO41.03 — Oligohydramnios, third trimester
Common synonyms
Oligohydramnios
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.