Complete ICD-10-CM coding and documentation guide for icd-10 coding for hypothyroidism due to acquired thyroid atrophy includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Hypothyroidism Due to Acquired Thyroid Atrophy
Use ICD-10 code E03.4 for atrophy of thyroid (acquired), ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Abnormal thyroid function tests
Use when documenting abnormal TSH and T4 levels.
Long-term (current) use of other medications
Use to document long-term levothyroxine use.
The ICD-10 code for hypothyroidism due to acquired thyroid atrophy is E03.4. It is used when ultrasound confirms thyroid atrophy without autoimmune markers or surgical history.
Acquired thyroid atrophy is documented through ultrasound showing reduced thyroid volume (<4.5 mL) and lab tests indicating elevated TSH and low free T4.