What is the ICD-10 code for elevated TSH?

The ICD-10 code for elevated TSH without a confirmed diagnosis is R94.6. Use E03.9 if hypothyroidism is confirmed with low T4.

When should R94.6 be used?

R94.6 should be used for elevated TSH when there is no confirmed diagnosis of hypothyroidism, and T4 levels are normal.

ICD-10 Coding for Elevated Thyroid Stimulating Hormone(R94.6, E03.9, E06.3)

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Learn about the ICD-10 coding for elevated thyroid stimulating hormone, including when to use R94.6 and E03.9, documentation requirements, and common pitfalls.

Also known as:

Elevated TSHHigh TSH Levels

Related ICD-10 Code Ranges

Complete code families applicable to Elevated Thyroid Stimulating Hormone

R00-R99Primary Range

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
R94.6	Abnormal results of thyroid function studies	Use when TSH is elevated but hypothyroidism is not confirmed.	TSH >4.5 mIU/mL with normal T4 Repeat abnormal TSH tests
E03.9	Hypothyroidism, unspecified	Use when hypothyroidism is confirmed by labs and symptoms.	TSH >4.5 mIU/mL with low T4 Presence of symptoms like fatigue weight gain
E06.3	Autoimmune thyroiditis	Use when elevated TSH is due to autoimmune thyroiditis.	Elevated TSH with positive TPO antibodies

Primary ICD-10-CM Codes

Abnormal results of thyroid function studies

R94.6Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Hypothyroidism, unspecifiedE03.9

Abnormal results of thyroid function studiesR94.6

Documentation & Coding Risks

Avoid these common issues when documenting Elevated Thyroid Stimulating Hormone.

Failing to document symptoms with elevated TSH

Impact

Clinical: May lead to misdiagnosis of hypothyroidism., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials due to insufficient documentation.

Mitigation

Always document symptoms or lack thereof., Ensure lab results are included in the patient's chart.

Using R94.6 when a definitive diagnosis exists

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records and data reporting.

Mitigation

Use E03.9 or E06.3 if hypothyroidism or autoimmune thyroiditis is confirmed.

Incorrect Code Usage

Impact

Using R94.6 when a definitive diagnosis is present.

Mitigation

Regular training on code selection and documentation.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with R94.6.

Primary Code

R94.6

Abnormal results of thyroid function studies

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ICD-10 codes3

Coding risks3

FAQs2

ICD-10 Coding for Elevated Thyroid Stimulating Hormone(R94.6, E03.9, E06.3)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for elevated TSH?

When should R94.6 be used?

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