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Home/Diagnosis/ICD-10 Coding for Abnormal Thyroid Function Tests

ICD-10 Coding for Abnormal Thyroid Function Tests

R94.6
E03.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for abnormal thyroid function tests includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Thyroid Test Abnormalities
Thyroid Function Abnormalities
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Key Information: ICD-10 Coding for Abnormal Thyroid Function Tests

Essential facts and insights about ICD-10 Coding for Abnormal Thyroid Function Tests

Use ICD-10 code R94.6 for abnormal results of thyroid function studies, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Abnormal results of thyroid function studies

Billable Code
R94.6
Billable

Diagnostic Criteria

clinical_criteria:
  • • Abnormal thyroid function tests without a specific diagnosis
coding_criteria:
  • • Specific thyroid disorder confirmed

Applicable To

  • • Abnormal TSH
  • • Abnormal T3/T4 levels

Important Notes

  • • R94.6 should not be used as a primary diagnosis if a specific thyroid disorder is confirmed.

Hypothyroidism, unspecified

Billable Code
E03.9
Billable

Diagnostic Criteria

clinical_criteria:
  • • TSH >10 mU/L
  • • Low FT4
  • • Symptoms of hypothyroidism

Applicable To

  • • Primary hypothyroidism

Important Notes

  • • Ensure symptoms and lab results confirm hypothyroidism before using E03.9.
Ancillary Codes

Additional codes that may be used with this diagnosis

R53.83

Other fatigue

Use to document symptoms like fatigue when no specific thyroid disorder is diagnosed.

Frequently Asked Questions

When should R94.6 be used for thyroid tests?

R94.6 should be used when thyroid function tests are abnormal but no specific thyroid disorder is diagnosed. It is not used as a primary diagnosis if a specific condition like hypothyroidism is confirmed.

What is the ICD-10 code for abnormal thyroid test?

The ICD-10 code for abnormal thyroid test results is R94.6, used when no specific thyroid disorder is diagnosed.

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