ICD-10 Coding for Vomiting in Pregnancy(O21.0, O21.1, O21.2, O21.9)
Complete ICD-10-CM coding and documentation guide for Vomiting in Pregnancy. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Vomiting in Pregnancy
O21Primary Range
Vomiting in pregnancy
This range covers all types of vomiting associated with pregnancy, including mild to severe forms and those with metabolic disturbances.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| O21.0 | Mild hyperemesis gravidarum | Use when the patient has mild symptoms without significant metabolic disturbances. |
|
| O21.1 | Hyperemesis gravidarum with metabolic disturbance | Use when there are severe symptoms with metabolic disturbances. |
|
| O21.2 | Late vomiting of pregnancy | Use when vomiting begins after 20 weeks of gestation. |
|
| O21.9 | Unspecified vomiting of pregnancy | Use when documentation lacks specific details about severity or timing. |
|
Clinical Decision Support
Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.
Key Information: ICD-10 code for vomiting in pregnancy
Essential facts and insights about Vomiting in Pregnancy
Primary ICD-10-CM Codes for vomiting in pregnancy
Decision Criteria
clinical Criteria
- Symptoms are mild with no significant metabolic impact.
Applicable To
- Mild hyperemesis gravidarum
Excludes
- Severe hyperemesis with metabolic disturbance
Clinical Validation Requirements
- Documented as 'mild hyperemesis gravidarum'
- Weight loss less than 5%
- No electrolyte abnormalities
Code-Specific Risks
- Misclassification if severity is not documented
Coding Notes
- Ensure documentation specifies 'mild' to avoid misclassification.
O21.1 - Hyperemesis gravidarum with metabolic disturbance
Use when there are severe symptoms with metabolic disturbances.
Applicable To
- Severe hyperemesis with metabolic disturbances
Excludes
- Mild hyperemesis without metabolic disturbance
Clinical Validation Requirements
- Documented as 'hyperemesis gravidarum with metabolic disturbance'
- Presence of ketonuria
- Electrolyte imbalance (e.g., K+ <3.5 mEq/L)
Coding Notes
Ensure documentation includes specific metabolic disturbances.
O21.2 - Late vomiting of pregnancy
Use when vomiting begins after 20 weeks of gestation.
Applicable To
- Vomiting starting after 20 weeks of gestation
Excludes
- Vomiting due to other causes like gastroenteritis
Clinical Validation Requirements
- Vomiting onset after 20 weeks of gestation
- Exclusion of other gastrointestinal disorders
Coding Notes
Ensure documentation specifies onset after 20 weeks.
O21.9 - Unspecified vomiting of pregnancy
Use when documentation lacks specific details about severity or timing.
Applicable To
- General nausea and vomiting in pregnancy
Excludes
- Specific types of hyperemesis
Clinical Validation Requirements
- General documentation of nausea and vomiting without specific details
Coding Notes
Use as a last resort when specific details are not documented.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Differential Codes
Alternative codes to consider when ruling out similar conditions to the primary diagnosis.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Vomiting in Pregnancy to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code O21.0.
Impact
Clinical: Leads to inaccurate clinical data., Regulatory: May result in audit findings., Financial: Potential for reduced reimbursement.
Mitigation Strategy
Ensure documentation includes specific details., Train staff on documentation requirements.
Impact
Reimbursement: Incorrect coding can lead to lower reimbursement., Compliance: May result in compliance issues during audits., Data Quality: Affects the accuracy of clinical data.
Mitigation Strategy
Ensure documentation specifies severity and metabolic disturbances.
Impact
Lack of specific documentation can lead to audit findings.
Mitigation Strategy
Ensure detailed documentation of symptoms and lab results.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Vomiting in Pregnancy, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Vomiting in Pregnancy
Use these documentation templates to ensure complete and accurate documentation for Vomiting in Pregnancy. These templates include all required elements for proper coding and billing.
Hyperemesis with metabolic disturbance
Specialty: ObstetricsRequired Elements
- Trimester
- Vomiting frequency
- Weight loss
- Lab results
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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