Renal Biopsy

Useful For

  • Evaluating and managing patients with kidney disease
  • Following the progression of known renal disease or response to therapy
  • Determining the cause of dysfunction in the transplanted kidney (allograft)

Method Name


Important Note

Please notify the Glens Falls Hospital Pathology Office at 518-926-3836 or 518-915-3837 between the hours of 7:30a.m. – 5:00p.m. Monday through Friday at least 1 day prior to the procedure to ensure timely and proper handling of the specimen once collected.



Medical Renal Biopsy, Medical Kidney Biopsy, Kidney Biopsy, Surgical Pathology, Histology

Specimen Type


Specimen Required

Kidney cortical tissue core biopsies in normal saline

Specimen Minimum Volume

  • Minimum of at least 3 core biopsies of renal cortical tissue

Specimen Stability Information

  • The specimen should be transported to the Histology Department immediately.


Rejected Due To

  • Specimens received in formalin can still undergo histologic testing, however, the other testing typically performed on renal biopsies may be canceled or unable to be performed at the reference laboratory providing this service, as that is not the preferred preservative for those tests.

Performing Laboratory

Renal biopsies are sent to the Columbia University Pathologists Renal Pathology reference laboratory

Day(s) and Time(s) Performed

Monday – Friday between the hours of 7:30a.m.-3:30p.m.

  • Specimens must be received no later than 3:30 p.m. to ensure timely handling and shipping of the specimen to the reference laboratory.

Analytical Time

Expected turn around time: 2 weeks

Specimen Retention Time

Renal biopsy specimens are retained at the reference laboratory.

CPT Code Information

For CPT code information please contact:

Columbia University Department of Renal Pathology

Analytical Time

Expected turn around time: 2 weeks