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S3845 Gene test alpha-thalassemia

S Codes

Also known as: alpha-thalassemia testing, thalassemia gene test

Genetic testing for mutations in the HBA1 and HBA2 genes causing alpha-thalassemia, a hemoglobin disorder affecting red blood cell production.

In Plain Language

genetic test for blood disorder; inherited anemia gene test

Clinical Context

Used in hematology for diagnosis of alpha-thalassemia trait and disease in patients with microcytic anemia.

RVU Information

CPT S3845 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.

Billing & Documentation

S-codes are used by private payers (not Medicare) for services without a standard CPT or HCPCS code. Coverage varies significantly between insurers. Verify payer acceptance before billing and document medical necessity thoroughly.

Specialties

HematologyGenetic MedicineLaboratory Medicine

Frequently Asked Questions

What is CPT code S3845?

CPT S3845 (Gene test alpha-thalassemia) is a S Codes code. Genetic testing for mutations in the HBA1 and HBA2 genes causing alpha-thalassemia, a hemoglobin disorder affecting red blood cell production.

Is S3845 covered by insurance?

S3845 is a temporary HCPCS code. Coverage varies by payer and may change when permanent codes are assigned. Used in hematology for diagnosis of alpha-thalassemia trait and disease in patients with microcytic anemia.

When is CPT S3845 used?

Used in hematology for diagnosis of alpha-thalassemia trait and disease in patients with microcytic anemia.

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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.