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HelpTest Code SP006 Renal Biopsy
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Methodology
Electron Microscopy/Immunofluorescence/Light Microscopy
Note: Also see #SP004 Immunofluorescence, Tissue.
Specimen Requirements
Specimen Type: Biopsy
Container/Tube: Container with Michels’ fixative
Specimen Volume: Entire biopsy
Collection Instructions:
1. Place biopsy in container with Michels’ fixative.
Note: Biopsies are only stable in Michels’ fixative for 24 hours.
2. Kidney biopsies must have cortex containing adequate glomeruli for processing.
3. Label container with patient’s name, date of birth, Social Security number, date of collection, and type of specimen.
Additional Information: Biopsy site and clinical diagnosis are required.
Forms: Surgical Pathology Tissue Exam Request in Special Instructions
Day(s) Test Set Up
Monday through Friday
Turnaround Time:
STAT: not available
Routine: 3 to 5 working days
Test Classification and CPT Coding
88305-Kidney biopsy
88346-Immunofluorescence, each
88348-Electron microscopy
88312-Special stain group 1, each (if appropriate)
88313-Special stain group 2, each (if appropriate)
Note: Professional charges may be applied.
Reference Values
An interpretive report will be provided.
Specimen Transport Temperature
Ambient/Refrigerate NO/Frozen NO
Additional Information
For BJH Laboratory Use Only
Laboratory Processing Instructions:
Test performed in BJH Surgical Pathology.