O20
Non-billableHemorrhage in early pregnancy
Hemorrhage in early pregnancy
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- hemorrhage before completion of 20 weeks gestation
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •mental and behavioral disorders associated with the puerperiumF53
- •obstetrical tetanusA34
- •postpartum necrosis of pituitary glandE23.0
- •puerperal osteomalaciaM83.0
- •maternal care related to the fetus and amniotic cavity and possible delivery problemsO30-O48
- •maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperiumO98-O99
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Child Codes (3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(14)
UMLS
- Haemorrhage in early pregnancyC0156604
- Haemorrhage in early pregnancy, unspecifiedC0156604
- Hemorrhage in early pregnancyC0156604
- Hemorrhage in early pregnancy, unspecifiedC0156604
- Unspecified haemorrhage in early pregnancyC0156604
- Unspecified hemorrhage in early pregnancyC0156604
- bleed early pregnancyC0156604
- bleeding early in pregnancyC0156604
- bleeding early pregnancyC0156604
- bleeding in early pregnancyC0156604
- early bleeding pregnancyC0156604
- early pregnancy bleedingC0156604
- haemorrhage in early pregnancyC0156604
- hemorrhage before completion of 20 weeks gestationC4290247
Frequently Asked Questions
What is the ICD-10 code for hemorrhage in early pregnancy?
The ICD-10-CM code for hemorrhage in early pregnancy is O20. The full clinical description is "Hemorrhage in early pregnancy". O20 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code O20 mean?
ICD-10-CM code O20 represents “Hemorrhage in early pregnancy”. It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a non-billable header code. Use a more specific child code for billing purposes.
Is O20 a billable code?
No, O20 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under O20.
What chapter is O20 in?
O20 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O20?
O20 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-); pregnancy with abortive outcome (O00-O08).
What are the subcategories under O20?
O20 has 3 child codes, including: O20.0 (Threatened abortion), O20.8 (Other hemorrhage in early pregnancy), O20.9 (Hemorrhage in early pregnancy, unspecified).
Are additional codes required with O20?
Yes, when using O20, also report: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known..
What are the UMLS CUIs for O20?
O20 is linked to 2 UMLS Concept Unique Identifiers: C0156604, C4290247. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does O20 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hemorrhage in early pregnancy affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of O20?
O20 maps to the ICD-11 code: JA40.Z (Haemorrhage in early pregnancy, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.