AutoICD API

O21.1

Billable

Hyperemesis gravidarum with metabolic disturbance

Hyperemesis gravidarum with metabolic disturbance

Status

Billable / Specific

Block

O20-O29

Parent Code

O21

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Hyperemesis gravidarum, starting before the end of the 20th week of gestation, with metabolic disturbance such as carbohydrate depletion
  • Hyperemesis gravidarum, starting before the end of the 20th week of gestation, with metabolic disturbance such as dehydration
  • Hyperemesis gravidarum, starting before the end of the 20th week of gestation, with metabolic disturbance such as electrolyte imbalance

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

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.
Related Codes(4)
O21.0

Mild hyperemesis gravidarum

BillableO21.2

Late vomiting of pregnancy

BillableO21.8

Other vomiting complicating pregnancy

BillableO21.9

Vomiting of pregnancy, unspecified

Billable
ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

JA60.1Hyperemesis gravidarum with metabolic disturbanceequivalentPrimary
Also Known As / Clinical Terms(35)

SNOMED CT

UMLS

Clinical Terms

  • Hyperemesis of pregnancy
  • Persistent AND/OR vicious vomiting arising during pregnancy
  • Hyperemesis gravidarum, starting before the end of the 20th week of gestation, with metabolic disturbance such as dehydration
  • Hyperemesis gravidarum before end of 22 week gestation with dehydration
  • Hyperemesis gravidarum with metabolic disturbance (disorder)
  • Hyperemesis gravidarum, starting before the end of the 20th week of gestation, with metabolic disturbance such as carbohydrate depletion
  • Hyperemesis in pregnancy
  • Hyperemesis gravidarum
  • Severe hyperemesis in pregnancy
  • Excessive pregnancy vomiting
  • Hyperemesis
  • Severe hyperemesis gravidarum
  • Hyperemesis arising during pregnancy
  • Hyperemesis gravidarum, starting before the end of the 20th week of gestation, with metabolic disturbance such as electrolyte imbalance
  • Hyperemesis gravidarum before end of 22 week gestation with carbohydrate depletion
  • Hyperemesis gravidarum before end of 22 week gestation with electrolyte imbalance
Frequently Asked Questions
What is the ICD-10 code for hyperemesis gravidarum with metabolic disturbance?

The ICD-10-CM code for hyperemesis gravidarum with metabolic disturbance is O21.1. The full clinical description is "Hyperemesis gravidarum with metabolic disturbance". O21.1 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code O21.1 mean?

ICD-10-CM code O21.1 represents “Hyperemesis gravidarum with metabolic disturbance”. It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a billable/specific code that can be used on a claim.

Is O21.1 a billable code?

Yes, O21.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is O21.1 in?

O21.1 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).

What codes cannot be used with O21.1?

O21.1 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).

Are additional codes required with O21.1?

Yes, when using O21.1, also report: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known..

What SNOMED CT codes does O21.1 map to?

O21.1 maps to 7 SNOMED CT concepts: 14094001, 444673007, 27152008, 87621000, 33370009, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for O21.1?

O21.1 is linked to 4 UMLS Concept Unique Identifiers: C0405080, C2903594, C2903595, C2903596. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does O21.1 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like hyperemesis gravidarum with metabolic disturbance 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 O21.1?

O21.1 maps to the ICD-11 code: JA60.1 (Hyperemesis gravidarum with metabolic disturbance).

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.

Try FreeView API Docs

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.