ICD-10 Coding for Hypothyroidism in Pregnancy(O992B, E03.9)
Complete ICD-10-CM coding and documentation guide for Hypothyroidism in Pregnancy. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Hypothyroidism in Pregnancy
O99.2Primary Range
Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium
This range includes codes for endocrine disorders complicating pregnancy, with O992B specifically for hypothyroidism.
Other hypothyroidism
This range includes codes for hypothyroidism not specifically related to pregnancy.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| O992B | Hypothyroidism complicating pregnancy, childbirth and the puerperium | Use when hypothyroidism is diagnosed during pregnancy and affects the pregnancy outcome. |
|
| E03.9 | Hypothyroidism, unspecified | Use for chronic hypothyroidism not directly affecting pregnancy. |
|
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 hypothyroidism in pregnancy
Essential facts and insights about Hypothyroidism in Pregnancy
Primary ICD-10-CM Codes for hypothyroidism in pregnancy
Decision Criteria
clinical Criteria
- TSH ≥10 mIU/L with low FT4 during pregnancy
documentation Criteria
- Document trimester-specific TSH levels and link to pregnancy
Applicable To
- Hypothyroidism during pregnancy
- Hypothyroidism complicating childbirth
- Hypothyroidism during the puerperium
Excludes
- Hyperthyroidism complicating pregnancy (O992C)
Clinical Validation Requirements
- TSH ≥10 mIU/L with low FT4 during pregnancy
- TSH 4.01-9.99 with normal FT4 and symptoms
Code-Specific Risks
- Incorrectly using E03.9 instead of O992B when pregnancy-related
- Not specifying trimester or linking to pregnancy
Coding Notes
- Ensure documentation links hypothyroidism to pregnancy and includes trimester-specific TSH levels.
E03.9 - Hypothyroidism, unspecified
Use for chronic hypothyroidism not directly affecting pregnancy.
Applicable To
- Chronic hypothyroidism
Excludes
- Hypothyroidism complicating pregnancy (O992B)
Clinical Validation Requirements
- TSH >4.0 mIU/L non-pregnant or persistent postpartum
Coding Notes
Ensure chronic hypothyroidism is documented separately from pregnancy-related cases.
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 Hypothyroidism in Pregnancy to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code O992B.
Impact
Clinical: Inaccurate assessment of pregnancy impact., Regulatory: Non-compliance with coding guidelines., Financial: Potential reimbursement issues.
Mitigation Strategy
Train staff on documentation requirements., Use templates that prompt for trimester-specific data.
Impact
Reimbursement: Incorrect DRG assignment leading to potential reimbursement loss., Compliance: Non-compliance with ICD-10 coding guidelines for pregnancy complications., Data Quality: Inaccurate data on pregnancy-related conditions.
Mitigation Strategy
Ensure documentation links hypothyroidism to pregnancy and use O992B.
Impact
Using E03.9 instead of O992B for pregnancy-related cases.
Mitigation Strategy
Regular audits and staff training on correct code usage.
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 Hypothyroidism in Pregnancy, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Hypothyroidism in Pregnancy
Use these documentation templates to ensure complete and accurate documentation for Hypothyroidism in Pregnancy. These templates include all required elements for proper coding and billing.
Pregnant patient with new onset hypothyroidism
Specialty: ObstetricsRequired Elements
- Gestational age
- TSH and FT4 levels
- Symptoms
- Treatment plan
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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