Home
Career Stage
Medical Students Residents Attendings CPT Codes Resources Blog Support

0845T Dgtz gls mcrscp imfluor first

Category III

Also known as: digital immunofluor first, digital fluorescence analysis

Digital glass microscopy immunofluorescence analysis for first specimen. Computer-assisted interpretation of fluorescent antibody staining for first tissue sample.

In Plain Language

Computer-aided review of fluorescent staining under digital microscope of first sample; Digital immunofluorescence first

Clinical Context

Used for initial immunofluorescence analysis of tissue specimens for detection of specific antigens in autoimmune and infectious diseases.

RVU Information

CPT 0845T does not have a physician work RVU assigned by CMS. Category III codes for emerging technology do not receive RVU assignments. Reimbursement is negotiated with individual payers.

Billing & Documentation

Category III codes are temporary codes for emerging technology, services, and procedures. They are not assigned RVU values by CMS. Coverage and reimbursement vary by payer — check with individual insurers before billing. These codes sunset after 5 years if not converted to Category I.

Specialties

PathologyImmunopathology

Frequently Asked Questions

What is CPT code 0845T?

CPT 0845T (Dgtz gls mcrscp imfluor first) is a Category III code. Digital glass microscopy immunofluorescence analysis for first specimen. Computer-assisted interpretation of fluorescent antibody staining for first tissue sample.

Is 0845T a permanent CPT code?

No — 0845T is a Category III temporary code for emerging technology. It may be converted to a permanent Category I code if widely adopted. Category III codes expire after 5 years without renewal.

When is CPT 0845T used?

Used for initial immunofluorescence analysis of tissue specimens for detection of specific antigens in autoimmune and infectious diseases.

Track This Code in RVU Edge

Log procedures, calculate wRVUs, and benchmark against national data — all in one app.

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.