ICD10
ICD-10 Code O45.9: Premature separation of placenta, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
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 premature separation of placenta, unspecified 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
O45Premature separation of placenta [abruptio placentae]
currentO45
Official coding notes
Inclusion terms
- Abruptio placentae NOS
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 62131008high
Couvelaire uterus
Source: SNOMED International ICD-10 map
SNOMED_CT 415105001high
Placental abruption
Source: SNOMED International ICD-10 map
SNOMED_CT 1197158009high
Placental separation
Source: SNOMED International ICD-10 map
SNOMED_CT 1197159001high
Placental separation with bleeding
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
O45.9
Replacement codes
O45.90 — Premature separation of placenta, unspecified, unspecified trimesterO45.91 — Premature separation of placenta, unspecified, first trimesterO45.92 — Premature separation of placenta, unspecified, second trimesterO45.93 — Premature separation of placenta, unspecified, third trimester
Common synonyms
Premature separation of placenta, unspecifiedPremature separation of placenta
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.