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Test Code Lab2545 (Renal) Renal Biopsy

Methodology

Usual clinical circumstances warranting kidney biopsy
include:

1. Nephrotic syndrome; most adults and infants and nonresponding
children

2. Asymptomatic proteinuria
3. Acute nephritic syndrome
4. Systemic diseases with renal involvement
5. Hematuria of uncertain nature
6. Transplantation rejection or failure
7. Drug reaction or toxicity
8. Non-recovering acute renal failure

Performing Laboratory

Bronson Laboratory Services-Surgical Pathology

Specimen Requirements

Call Pathology office at extension 8997 prior to
procedure for specific instructions.

 

Specimen Type: Fresh kidney tissue

Container/Tube: Plastic container with no
added fixative or preservative

Specimen Volume: Entire collection

Collection Instructions:

1. Label container with patient’s full name and date of
birth.

2. Freeze tissue and send frozen.

3. Cause for rejection includes dry specimen, tissue fixed in
formalin (cannot be used for electron microscopy or
immunofluorescent studies), and unlabeled or incorrectly labeled
specimen which will be returned for correct
identification.

Additional Information: 

1. Notify Pathology office at extension 8997 when specimen is
ready, and give patient’s full name, hospital number,
O.R. number, clinical history and laboratory
findings (essential to interpretation).

2. If gross examination or light microscopy reveals tissue not
to be renal cortex, the immunofluorescence and electron microscopy
may be omitted, depending upon the case.

Forms: Tissue Requisition; indicate
patient’s full name, date of birth, date of service,
physician, and O.R. number

Specimen Transport Temperature

Frozen

Reference Values

Results are interpreted by a pathologist.

Day(s) Test Set Up

Monday through Sunday