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Home/Diagnosis/ICD-10 Coding for Levothyroxine Therapy

ICD-10 Coding for Levothyroxine Therapy

E03.9
E89.0

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

Also Known as:
Thyroid Hormone Replacement
Synthroid Therapy
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Key Information: ICD-10 Coding for Levothyroxine Therapy

Essential facts and insights about ICD-10 Coding for Levothyroxine Therapy

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

clinical_criteria:
  • • Presence of hypothyroid symptoms and elevated TSH

Applicable To

  • • Chronic hypothyroidism

Important Notes

  • • Ensure lab results support the diagnosis.

Postprocedural hypothyroidism

Billable Code
E89.0
Billable

Diagnostic Criteria

clinical_criteria:
  • • History of thyroid surgery
  • • TSH >4.5 mIU/L

Applicable To

  • • Hypothyroidism following thyroidectomy

Important Notes

  • • Document surgical history clearly.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z79.4

Long-term (current) use of insulin

Use to indicate ongoing levothyroxine therapy.

Frequently Asked Questions

What is the ICD-10 code for levothyroxine therapy?

The ICD-10 code for levothyroxine therapy primarily involves E03.9 for unspecified hypothyroidism and E89.0 for postprocedural hypothyroidism, often used with Z79.4 for long-term use.

How to document levothyroxine therapy?

Document levothyroxine therapy by including TSH levels, symptoms, medication adherence, and any dose adjustments. Ensure lab results support the diagnosis.

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