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Home/Diagnosis/ICD-10 Coding for Low Thyroid

ICD-10 Coding for Low Thyroid

E03.9
E03.2
E89.0

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

Also Known as:
Hypothyroidism
Underactive Thyroid
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Key Information: ICD-10 Coding for Low Thyroid

Essential facts and insights about ICD-10 Coding for Low Thyroid

Use ICD-10 code E03.9 for hypothyroidism, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Hypothyroidism, unspecified

Billable Code
E03.9
Billable

Diagnostic Criteria

  • • TSH >4.5 mIU/L
  • • Symptoms of hypothyroidism

Applicable To

  • • Low thyroid function

Important Notes

  • • Ensure documentation supports the lack of specific etiology before using this code.

Hypothyroidism due to drugs and other exogenous substances

Billable Code
E03.2
Billable

Diagnostic Criteria

  • • Documented use of medication known to affect thyroid function
  • • TSH >4.5 mIU/L

Applicable To

  • • Drug-induced hypothyroidism

Important Notes

  • • Ensure the medication or substance is documented as the cause.

Postprocedural hypothyroidism

Billable Code
E89.0
Billable

Diagnostic Criteria

  • • History of thyroidectomy or radiation therapy
  • • TSH >4.5 mIU/L

Applicable To

  • • Hypothyroidism following thyroid surgery

Important Notes

  • • Document the specific procedure leading to hypothyroidism.
Frequently Asked Questions

What is the ICD-10 code for low thyroid?

The ICD-10 code for unspecified hypothyroidism, often referred to as low thyroid, is E03.9. Use specific codes like E03.2 for drug-induced cases.

How do you code postprocedural hypothyroidism?

Postprocedural hypothyroidism is coded as E89.0, used when hypothyroidism results from surgery or radiation therapy.

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