Ordering Recommendation
Mnemonic
NKX3.1 IHC
Methodology

Immunohistochemistry

Performed

Mon-Fri

Reported

1-3 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Tissue.

Specimen Preparation

Formalin fix (10 percent neutral buffered formalin) and paraffin embed specimen (cells must be prepared into a cellblock). Protect paraffin block and/or slides from excessive heat. Transport tissue block or 5 unstained (3- to 5-micron thick sections), positively charged slides in a tissue transport kit (recommended but not required), (ARUP supply #47808) available online through eSupply using ARUP Connect or contact ARUP Client Services at (800) 522-2787. (Min: 2 slides) If sending precut slides, do not oven bake.

Storage/Transport Temperature

Room temperature. Also acceptable: Refrigerated. Ship in cooled container during summer months.

Unacceptable Conditions

Specimens submitted with non-representative tissue type. Depleted specimens.

Remarks
Stability

Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

Reference Interval
Interpretive Data



Compliance Category

Laboratory Developed Test (LDT)

Note

This test is performed as a stain and return (technical) service only.

Hotline History
N/A
CPT Codes

88342

Components
Component Test Code* Component Chart Name LOINC
3002119 NKX3.1 Reference Number
3002120 NKX3.1 by Immunohistochemistry
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
NKX3.1 by Immunohistochemistry