ICD Code R94.6

ICD code R94.6 is used to indicate abnormal results of thyroid function studies. This code is applied when laboratory tests reveal irregularities in thyroid hormone levels, which may suggest thyroid dysfunction or disorders such as hypothyroidism or hyperthyroidism. It is important for healthcare providers to document this code to ensure accurate diagnosis and appropriate follow-up care.

When considering the use of the ICD code for abnormal results of thyroid function studies, healthcare providers should evaluate the following diagnostic criteria and symptoms:

1. Elevated Thyroid-Stimulating Hormone (TSH) Levels: Indicating potential hypothyroidism or subclinical hypothyroidism.

2. Suppressed TSH Levels: Suggesting hyperthyroidism or subclinical hyperthyroidism.

3. Abnormal Free Thyroxine (Free T4) Levels: Either elevated or decreased, which can indicate thyroid dysfunction.

4. Abnormal Free Triiodothyronine (Free T3) Levels: Elevated or decreased levels that may suggest thyroid hormone imbalance.

5. Presence of Thyroid Antibodies: Such as Thyroid Peroxidase Antibodies (TPOAb) or Thyroglobulin Antibodies (TgAb), which may indicate autoimmune thyroid disorders.

6. Symptoms of Thyroid Dysfunction: Including fatigue, weight changes, temperature sensitivity, and changes in heart rate, which may prompt further investigation.

7. History of Thyroid Disease: Previous diagnosis or treatment for thyroid conditions that necessitate ongoing monitoring.

8. Family History of Thyroid Disorders: A family history that may increase the likelihood of thyroid abnormalities.

9. Abnormal Imaging Results: Such as ultrasound or nuclear medicine scans indicating thyroid nodules or structural abnormalities.

10. Follow-up of Known Thyroid Conditions: Monitoring the effectiveness of treatment or progression of a known thyroid disorder.

By assessing these criteria, healthcare providers can determine the appropriateness of using the ICD code for abnormal thyroid function study results in their clinical documentation and billing processes.

For the ICD code R94.6, which pertains to abnormal results of thyroid function studies, the relevant CPT codes that may be applicable for treatment or further evaluation include:

1. 84436 - Thyroxine; total

2. 84439 - Thyroxine; free

3. 84443 - Thyroid stimulating hormone (TSH)

4. 84479 - Thyroid hormone (T3 or T4) uptake or thyroid hormone binding ratio (THBR)

5. 84480 - Triiodothyronine (T3); total

6. 84481 - Triiodothyronine (T3); free

7. 84482 - Thyroglobulin

8. 84485 - Thyroid hormone binding ratio (THBR)

These CPT codes are typically used for laboratory tests that assess thyroid function and help in diagnosing and managing conditions related to abnormal thyroid function. It is important for healthcare providers to select the appropriate CPT codes based on the specific tests ordered and the clinical context.

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