ICD10
ICD-10 Code O26.9: Pregnancy related conditions, 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 unspecified-pregnancy-related-condition codes under a non-trimester parent code. The most accurate billable code usually depends on trimester timing and whether the chart can support a more specifically named pregnancy-related diagnosis instead of this unspecified family.
When is it used?
- May be used when a clinician documents pregnancy related conditions, 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 clinical-reference workflows where the goal is to understand the unspecified-pregnancy-related-condition family before selecting a more specific child code.
- Documentation review where the chart only supports an unspecified pregnancy-related condition and the user is navigating the family overview page rather than a trimester-specific leaf page.
Common management context
- Overview-level review often includes maternal symptom review, pregnancy monitoring context, and efforts to determine whether the chart can support a more specific named diagnosis family.
- The final billable code usually becomes more specific when the chart identifies trimester timing and clarifies the actual pregnancy-related condition rather than leaving it unspecified.
- Specialist context already linked on this page includes Obstetrician, Gynecologist.
🔍Key distinctions
Important notes
- This parent page is an overview for trimester-specific unspecified-pregnancy-related-condition codes rather than the most specific billable leaf code.
- This unspecified family is less semantically precise than both the residual other-specified bucket and the explicitly named O26 subfamilies.
- This overview page groups trimester-specific unspecified-pregnancy-related-condition codes, so the final billable code usually depends on trimester detail and whether the chart can support a more specifically named pregnancy-related diagnosis.
Related codes to consider
O26.90Pregnancy related conditions, unspecified, unspecified trimester
Related trimester-specific unspecified pregnancy-condition ICD-10 code; documentation often becomes more specific when the chart identifies trimester timing or names the pregnancy-related diagnosis more directly.
O26.91Pregnancy related conditions, unspecified, first trimester
Related trimester-specific unspecified pregnancy-condition ICD-10 code; documentation often becomes more specific when the chart identifies trimester timing or names the pregnancy-related diagnosis more directly.
O26.92Pregnancy related conditions, unspecified, second trimester
Related trimester-specific unspecified pregnancy-condition ICD-10 code; documentation often becomes more specific when the chart identifies trimester timing or names the pregnancy-related diagnosis more directly.
O26.93Pregnancy related conditions, unspecified, third trimester
Related trimester-specific unspecified pregnancy-condition ICD-10 code; documentation often becomes more specific when the chart identifies trimester timing or names the pregnancy-related diagnosis more directly.
Code hierarchy
chapter
15Pregnancy, childbirth and the puerperium (O00-O9A)
block
O20-O29Other maternal disorders predominantly related to pregnancy
category
O26Maternal care for other conditions predominantly related to pregnancy
currentO26
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
O26.0Excessive weight gain in pregnancyO26.1Low weight gain in pregnancyO26.2Pregnancy care for patient with recurrent pregnancy lossO26.3Retained intrauterine contraceptive device in pregnancyO26.4Herpes gestationisO26.5Maternal hypotension syndromeO26.6Liver and biliary tract disorders in pregnancy, childbirth and the puerperiumO26.7Subluxation of symphysis (pubis) in pregnancy, childbirth and the puerperiumO26.8Other specified pregnancy related conditions
Mapped diagnoses and classifications
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
O26.9
Replacement codes
O26.90 — Pregnancy related conditions, unspecified, unspecified trimesterO26.91 — Pregnancy related conditions, unspecified, first trimesterO26.92 — Pregnancy related conditions, unspecified, second trimesterO26.93 — Pregnancy related conditions, unspecified, third trimester
Common synonyms
Pregnancy related conditions, unspecifiedPregnancy related conditions
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.