Test Directory

Test Code
33718
Test Name
Histopathology, Renal Transplant Biopsy, Direct Immunofluorescence, Electron Microscopy
CPT Codes
88348
Included Tests
  • Histopathological and Electron Microscopic Evaluation performed by Board Certified Pathologist.
  • Includes: H & E, Frozen H & E
  • IMFL: C4d

Anti-IgG

Anti-IgA

Anti-IgM

Anti-C3

Anti-C1q

Anti-albumin

Anti-fibrinogen

Anti-kappa

Anti-lambda

  • Special Stains/Immunohistochemistry:

SV40/BK Virus (if applicable)

PAS

Trichrome

Jones

Congo Red (if applicable)

  • Electron Microscopy
Expected Turnaround Time
5 - 10 days
Clinical Utility
  • To obtain a diagnosis; this may be used by the treating physicians to direct appropriate patient management and treatment.
Specimen and Container Info

Alternate Specimen:

Min. Volume External:

  • Send-out transplant kidneys will require three biopsies:

(Kidney kits are available from the Pathology Gross Rooms)

  • One core biopsy in 10% formalin (for paraffin embedded tissue)
  • One core biopsy in glutaraldehyde or Karnovsky's Fixative (for EM)
  • Once core biopsy in Zeus solution (for IMFL)

Volume External:

Alternate Container:

Collection Instructions
  • Place specimen cores immediately in the appropriate solution and/or fixative and transport kit to Pathology Gross Room.
Processing and Submission Instructions
  • Submit specimen with an EPIC order, Tissue Pathology Requisition Form (HNL-31), or one of the laboratory's electronic forms, AND the additional Renal Biopsy Patient Information Sheet included in the biopsy kit for transplant kidney specimens.
  • Biopsy kits can be obtained in the Pathology Department Gross Rooms.
  • Clinical history and laboratory findings are essential to interpretation and should be noted on the forms.
  • Consult the Pathology Department Gross Rooms at 610-402-8163 (LVHN-CC), 484-884-2258 (LVHN-M) or 610-969-2516 (LVHN-17) prior to beginning the procedure for specific instructions.
Stability Requirements

Refrigerated

  • If unable to transport kit immediately to Pathology, refrigerate kit until transport is facilitated.
Methodology
Histopathology
Performing Location
Roble Road Core Laboratory
Testing Schedule
Routine, Monday - Friday no holidays