Ordering Recommendation

Mnemonic

HMB45R 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 or cells.

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 (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 or refrigerated. Ship in cooled container during summer months.

Unacceptable Conditions

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

Remarks

IMMUNOHISTOCHEMISTRY ORDERING AND SUBMISSION DETAILS: Submit electronic request. If you do not have electronic ordering capability, use an ARUP Immunohistochemistry Stain Form (#32978) with an ARUP client number. For additional technical details, contact ARUP Client Services at (800) 522-2787.

Stability

Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

Reference Interval

Interpretive Data

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

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
3003810 HMB45 Red Detection Reference Number
3003811 HMB45 by IHC Red Detection
* 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

  • HMB 45
  • HMB 45 IHC
  • HMB45 staining
  • Melanoma Antibody IHC
  • Melanoma Antibody staining
Melanoma Antibody, HMB45 by Immunohistochemistry (Red Detection)