ARUP's Laboratory Test Directory

Intraepidermal Nerve Fiber Density Analysis :
[ image for: Anatomic Pathology Test Request Form Recommended]
Anatomic Pathology Test Request Form Recommended
  



Methodology: Microscopy/Immunohistochemistry
Performed: Varies
Reported: Varies
Specimen Required: Collect: Obtain Nerve Fiber Fixative Collection Kit prior to collection procedure (ARUP supply #44191). Available online through eSupply using ARUP Connect™ or contact Client Services at (800) 522-2787. Special fixatives are required; Collection instructions are provided with the kit.
Skin punch biopsies from lower extremity (one biopsy from the distal leg and one from the proximal thigh).

Specimen Preparation: Transport two 3 mm skin punch biopsies.

Storage/Transport Temperature: Refrigerated.

Remarks: Submit clinical history.

Unacceptable Conditions: Specimens in inappropriate fixative or improper temperature. Specimens that are not collected according to the collection instructions provided in collection kit.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: 2 weeks; Frozen: Unacceptable
Reference Interval:
By report
Interpretive Data: Refer to report
CPT Code(s): 88342 x2; 88356 x2. Additional billing may apply if special studies are indicated.
Cross References: INFDA (Intraepidermal Nerve Fiber Density Analysis), Nerve Fiber Density (Intraepidermal Nerve Fiber Density Analysis), PGP 9.5/Nerve Fiber (Intraepidermal Nerve Fiber Density Analysis)