Intraepidermal Nerve Fiber Density Analysis : ARUP Lab Tests

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Intraepidermal Nerve Fiber Density Analysis :

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 PGP 9.5; 88356 x2 Morphometric Analysis, Nerve. 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)

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