86821 Lymphocyte culture mixed
Also known as: Mixed lymphocyte culture, MLC, Allogeneic culture
Mixed lymphocyte culture (allogeneic reaction) performed to assess immunologic reactivity between patient and donor lymphocytes. Measures cellular immune response.
In Plain Language
White blood cell compatibility test; Transplant immunity test
Clinical Context
Used to assess cellular immunity in organ transplant candidates. Measures degree of immunologic disparity between patient and potential donor.
RVU Information
CPT 86821 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
Lab and pathology codes require an order from the treating provider with clinical indication. For molecular pathology and genetic testing, document the specific analytes tested and clinical rationale.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Pathology & Lab category, 94% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 86821?
CPT 86821 (Lymphocyte culture mixed) is a Pathology & Lab code. Mixed lymphocyte culture (allogeneic reaction) performed to assess immunologic reactivity between patient and donor lymphocytes. Measures cellular immune response.
Who uses CPT code 86821?
CPT 86821 is used by Pathology, Immunology, Transplantation. Used to assess cellular immunity in organ transplant candidates. Measures degree of immunologic disparity between patient and potential donor.
When is CPT 86821 used?
Used to assess cellular immunity in organ transplant candidates. Measures degree of immunologic disparity between patient and potential donor.
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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.