Short answer · Medically reviewed summary · Last updated: 2026-05-08
The ICD-10 code for Hyperemesis Gravidarum is O21.0 (mild) or O21.1 (with metabolic disturbance), while the ICD-9 code is 643.0 or 643.1. These medical classification codes are essential for healthcare providers to document the severity of the condition and facilitate insurance processing for necessary treatments like IV fluid replacement. What is Hyperemesis Gravidarum and how is it clinically defined? Hyperemesis Gravidarum is a severe pregnancy complication characterized by intractable nausea and vomiting that leads to dehydration, electrolyte imbalances, and significant weight loss.
3 people with Hyperemesis Gravidarum have shared their first-person experience on this question at DiseaseMaps.
ICD10 code of Hyperemesis Gravidarum and ICD9 code
ICD-10 and ICD-9 codes for Hyperemesis Gravidarum, with classification details for clinicians, coders and patients.
The ICD-10 code for Hyperemesis Gravidarum is O21.0 (mild) or O21.1 (with metabolic disturbance), while the ICD-9 code is 643.0 or 643.1. These medical classification codes are essential for healthcare providers to document the severity of the condition and facilitate insurance processing for necessary treatments like IV fluid replacement.
What is Hyperemesis Gravidarum and how is it clinically defined?
Hyperemesis Gravidarum is a severe pregnancy complication characterized by intractable nausea and vomiting that leads to dehydration, electrolyte imbalances, and significant weight loss. Unlike standard morning sickness, Hyperemesis Gravidarum prevents a mother from maintaining adequate nutrition and hydration, often necessitating medical intervention. Currently, 424 members of the DiseaseMaps.org community are managing this challenging diagnosis, highlighting the need for specialized care and support.
How do clinicians diagnose Hyperemesis Gravidarum?
Diagnosis is typically reached through a clinical assessment of the mother’s physical state rather than a single lab test. Physicians often look for the following indicators:
- Weight loss exceeding 5% of pre-pregnancy body weight.
- Presence of ketones in the urine, indicating the body is breaking down fat for energy.
- Signs of severe dehydration, such as tachycardia or hypotension.
- Inability to tolerate oral intake, interfering with daily functioning.
What are the primary treatment pathways for Hyperemesis Gravidarum?
Management of Hyperemesis Gravidarum focuses on rehydration and symptom control to prevent long-term maternal and fetal complications. Clinical protocols often involve a tiered approach, ranging from outpatient management with oral antiemetics to inpatient hospital stays for IV fluid replacement and intravenous or subcutaneous medication delivery. Because Hyperemesis Gravidarum affects multiple body systems, including the digestive, endocrine, and nervous systems, a multidisciplinary approach is often required.
Is there emotional support available for those with Hyperemesis Gravidarum?
The psychological toll of Hyperemesis Gravidarum is significant, as the condition can lead to profound anxiety and social isolation. Recognizing that Hyperemesis Gravidarum is a physical illness is the first step in seeking mental health support alongside obstetric care.
Next steps
- Consult an obstetrician immediately if you suspect you have Hyperemesis Gravidarum and are unable to keep fluids down.
- Join the DiseaseMaps.org community to connect with over 400 peers who understand the daily realities of living with this condition.
- Request a referral to a high-risk pregnancy specialist (maternal-fetal medicine) if your symptoms persist despite standard treatments.
Medical disclaimer: This content is for informational purposes only and does not constitute professional medical advice, diagnosis, or treatment; always seek the advice of your physician regarding a medical condition.
References
- NIH Genetic and Rare Diseases Information Center (GARD): Hyperemesis Gravidarum
- Orphanet: Rare disease database and clinical resources
- HER Foundation: Support and resources for Hyperemesis Gravidarum
- World Health Organization (WHO): ICD-10 Version 2016 (Chapter XV)
Posted Aug 21, 2017 by Samantha 2160
2013 ICD-9-CM Diagnosis Code 643.1 : Hyperemesis gravidarum with metabolic disturbance. There are 3 ICD-9-CM codes below 643.1 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim. You are viewing the 2013 version of ICD-9-CM 643.1.
Posted Aug 21, 2017 by Ashley 2550
Posted May 5, 2018 by Mary 3700
