ICD10
ICD-10 Code O30.9: Multiple gestation, 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).
đź“‹Clinical overview
This ICD-10 overview page groups trimester-specific unspecified-multiple-gestation codes under a broad parent code. The most accurate billable code usually depends on trimester detail and whether the chart can clarify fetal count or configuration more specifically.
When is it used?
- May be used when a clinician documents multiple gestation, 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.
đź©şClinical context
When commonly used
- Parent-code browsing, coding review, and obstetric-reference workflows where the goal is to understand unspecified multiple-gestation pages before choosing a more specific pregnancy code.
- Documentation review where a multiple gestation is established, but the record has not yet clarified fetal count or configuration and the user is on the broad unspecified parent page.
Common management context
- Overview-level review often includes obstetric ultrasound interpretation, maternal-fetal medicine coordination, and clarification of fetal count, chorionicity, or amnionicity.
- The final billable code usually becomes more specific when the chart identifies twins, triplets, quadruplets, or another named gestational configuration, plus trimester timing.
- Specialist context already linked on this page includes Obstetrician, Gynecologist.
🔍Key distinctions
Important notes
- This parent page is an umbrella overview for unspecified multiple-gestation ICD-10 pages rather than the most specific billable child code.
- Unspecified multiple-gestation coding often becomes more specific once the chart clarifies fetal count or placental configuration.
- This overview page groups trimester-specific unspecified-multiple-gestation codes, so the final billable code usually depends on trimester detail and whether the chart can clarify fetal count or configuration more specifically.
Related codes to consider
O30.90Multiple gestation, unspecified, unspecified trimester
Related unspecified-multiple-gestation ICD-10 code; documentation often becomes more specific when the chart identifies trimester, fetal count, chorionicity, amnionicity, or another named multiple-gestation subtype.
O30.91Multiple gestation, unspecified, first trimester
Related unspecified-multiple-gestation ICD-10 code; documentation often becomes more specific when the chart identifies trimester, fetal count, chorionicity, amnionicity, or another named multiple-gestation subtype.
O30.92Multiple gestation, unspecified, second trimester
Related unspecified-multiple-gestation ICD-10 code; documentation often becomes more specific when the chart identifies trimester, fetal count, chorionicity, amnionicity, or another named multiple-gestation subtype.
O30.93Multiple gestation, unspecified, third trimester
Related unspecified-multiple-gestation ICD-10 code; documentation often becomes more specific when the chart identifies trimester, fetal count, chorionicity, amnionicity, or another named multiple-gestation subtype.
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
O30Multiple gestation
currentO30
Official coding notes
Inclusion terms
- Multiple pregnancy 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 1362133002high
Antenatal ultrasonography confirms multiple pregnancy
Source: SNOMED International ICD-10 map
SNOMED_CT 1148970006high
Higher order multiple pregnancy due to and following medically assisted reproduction
Source: SNOMED International ICD-10 map
SNOMED_CT 33340004high
Multiple conception
Source: SNOMED International ICD-10 map
SNOMED_CT 16356006high
Multiple pregnancy
Source: SNOMED International ICD-10 map
SNOMED_CT 1148848009high
Multiple pregnancy following assisted fertilisation
Source: SNOMED International ICD-10 map
SNOMED_CT 249110003high
Presentation in multiple pregnancy
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
O30.9
Replacement codes
O30.90 — Multiple gestation, unspecified, unspecified trimesterO30.91 — Multiple gestation, unspecified, first trimesterO30.92 — Multiple gestation, unspecified, second trimesterO30.93 — Multiple gestation, unspecified, third trimester
Common synonyms
Multiple gestation, unspecifiedMultiple gestation
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.