2024 ICD-10-CM Diagnosis Code O21
Excessive vomiting in pregnancy
- ICD-10-CM Code:
- O21
- ICD-10 Code for:
- Excessive vomiting in pregnancy
- Is Billable?
- Not Valid for Submission
- Code Navigator:
O21 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of excessive vomiting in pregnancy. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.
Specific Coding Applicable to Excessive vomiting in pregnancy
Non-specific codes like O21 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for excessive vomiting in pregnancy:
Use O21.0 for Mild hyperemesis gravidarum - BILLABLE CODE
Use O21.1 for Hyperemesis gravidarum with metabolic disturbance - BILLABLE CODE
Use O21.2 for Late vomiting of pregnancy - BILLABLE CODE
Use O21.8 for Other vomiting complicating pregnancy - BILLABLE CODE
Use O21.9 for Vomiting of pregnancy, unspecified - BILLABLE CODE
Patient Education
Nausea and Vomiting
What are nausea and vomiting?
Nausea is when you feel sick to your stomach, as if you are going to throw up. Vomiting is when you throw up.
What causes nausea and vomiting?
Nausea and vomiting can be symptoms of many different conditions, including:
- Morning sickness during pregnancy
- Gastroenteritis (infection of your intestines) and other infections
- Migraines
- Motion sickness
- Food poisoning
- Medicines, including those for cancer chemotherapy
- GERD (reflux) and ulcers
- Intestinal obstruction
When do I need to see a health care provider for nausea and vomiting?
Nausea and vomiting are common. They are usually not serious. However, you should contact your health care provider immediately if you have:
- A reason to think that your vomiting is from poisoning
- Vomited for longer than 24 hours
- Blood in the vomit
- Severe abdominal pain
- Severe headache and stiff neck
- Signs of dehydration, such as dry mouth, infrequent urination or dark urine
How is the cause of nausea and vomiting diagnosed?
Your health care provider will take your medical history, ask about your symptoms and do a physical exam. The provider will look for signs of dehydration. You may have some tests, including blood and urine tests. Women may also have a pregnancy test.
What are the treatments for nausea and vomiting?
Treatments for nausea and vomiting depend on the cause. You may get treatment for the underlying problem. There are some medicines that can treatment nausea and vomiting. For severe cases of vomiting, you may need extra fluids through an IV (intravenous).
There are things that you can do to feel better:
- Get enough fluids, to avoid dehydration. If you are having trouble keeping liquids down, drink small amounts of clear liquids often.
- Eat bland foods; stay away from spicy, fatty, or salty foods
- Eat smaller meals more often
- Avoid strong smells, since they can sometimes trigger nausea and vomiting
- If you are pregnant and have morning sickness, eat crackers before you get out of bed in the morning
[Learn More in MedlinePlus]
Code History
- FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
- FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
- FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.