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Test Name 23FBG Fibroblast Growth Factor-23 (FGF23), In Situ Hybridization


Additional Testing Requirements


If additional interpretation or analysis is needed, request PATHC / Pathology Consultation along with this test.



Shipping Instructions


Attach the green "Attention Pathology" address label (T498) to the outside of the transport container before putting into the courier mailer.



Necessary Information


A pathology/diagnostic report and a brief history are required.



Specimen Required


Specimen Type: Tissue

Supplies: Pathology Packaging Kit (T554)

Submit:

Formalin-fixed, paraffin-embedded tissue block

OR

5 Unstained, positively charged glass slides; sections 4-microns thick


Useful For

Assessing fibroblast growth factor-23 (FGF23) expression

Method Name

In Situ Hybridization (ISH)

Reporting Name

Fibroblast Growth Factor-23, ISH

Specimen Type

Special

Specimen Stability Information

Specimen Type Temperature Time
Special Ambient (preferred)
  Refrigerated 

Reject Due To

Wet/frozen tissue Reject
Cytology smears Reject
Nonformalin fixed tissue Reject
Nonparaffin embedded tissue Reject
Noncharged slides Reject
ProbeOn slides Reject
Snowcoat slides Reject

Day(s) Performed

Monday through Friday

Report Available

5 to 8 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

88365-Primary

LOINC Code Information

Test ID Test Order Name Order LOINC Value
23FBG Fibroblast Growth Factor-23, ISH 104259-7

 

Result ID Test Result Name Result LOINC Value
620250 Interpretation 50595-8
620251 Participated in the Interpretation No LOINC Needed
620252 Report electronically signed by 19139-5
620253 Material Received 81178-6
620254 Disclaimer 62364-5
620255 Case Number 80398-1

Forms

If not ordering electronically, complete, print, and send a Immunohistochemical (IHC)/In Situ Hybridization (ISH) Stains Request (T763) with the specimen.