Complete ICD-10-CM coding and documentation guide for icd-10 coding for low t4 includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Low T4
Use ICD-10 code E03.9 for hypothyroidism, unspecified, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Abnormal thyroid function studies
Use when thyroid function tests are abnormal but the cause is not yet determined.
The ICD-10 code for low T4, when unspecified, is E03.9. For specific causes like postprocedural or drug-induced hypothyroidism, use E89.0 or E03.2 respectively.
Document low T4 by including lab results showing TSH and free T4 levels, along with any symptoms and treatment plans.