ICD-10 Coding for Abnormal Thyroid Function Test(E03.0, E03.9, E03.9B)

Learn about ICD-10 coding for abnormal thyroid function tests, including when to use R94.6 and related codes.

Also known as:
Abnormal TFTThyroid Function Test Abnormality
Related ICD-10 Code Ranges

Complete code families applicable to Abnormal Thyroid Function Test

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
R94.6Abnormal results of thyroid function studies
E03.9Hypothyroidism, unspecified

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

Essential facts and insights aboutAbnormal Thyroid Function Test

Differential Codes

Alternative codes to consider when ruling out similar conditions

Hypothyroidism, unspecifiedE03.9
Hyperthyroidism, unspecifiedE05.90
Autoimmune thyroiditisE06.3

Documentation & Coding Risks

Avoid these common issues when documenting Abnormal Thyroid Function Test.

Not linking symptoms to lab results.

Impact

Clinical: Incomplete clinical picture., Regulatory: Potential for claim denial., Financial: Loss of reimbursement.

Mitigation

Always document symptoms alongside lab results.

Using R94.6 when a specific thyroid disorder is diagnosed.

Impact

Reimbursement: Claims may be denied if R94.6 is used incorrectly., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use the specific thyroid disorder code instead.

Use of R94.6 without follow-up

Impact

Claims may be audited if R94.6 is used without documented follow-up plan.

Mitigation

Ensure follow-up plans are documented when using R94.6.

Frequently Asked Questions