p21 (Waf1/Cip 1) by Immunohistochemistry
2004067
Ordering Recommendation
 
Mnemonic
P21 IHC
Methodology
Immunohistochemistry
Performed
Mon-Fri
Reported
1-3 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Immunohistochemistry Stain Form Recommended  (ARUP form #32978)Immunohistochemistry Stain Form Recommended (ARUP form #32978)

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. 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
 
Note
All stains will be handled as "Stain and Return" unless a consultation is requested. To request a consultation, submit the pathology report, all associated case materials (clinical history, blocks, slides, etc.), and the Anatomic Pathology requisition form (form # 32960) in place of the Immunohistochemistry Stain Form.
CPT Code(s)
88342
Components
Component Test Code*Component Chart Name
2004068p21 (Waf1/Cip 1) by IHC
2004069p21 (Waf1/Cip 1) Reference Number
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Aliases
  • CIP1
  • CIP1 IHC
  • CIP1 immunostaining
  • p21 IHC
  • p21immunostaining
  • Waf1
  • Waf1 IHC
  • Waf1 immunostaining