H

Collection Tube Abbreviations

  RT  =  Plain Red top   GYT  =  Gray top   RBL  =  Royal Blue top
  RHalo = Red Halo   YT  =  Yellow top   PT  =  Pink top
  BLT  =  Blue top   GRN  =  Green top   PPT  =  Pearl top
  LT  =  Lavender top   SGRN  =  Special Green   GHalo = Green Halo


Test
(TEST CODE)
Lab
Section
Special
Requirements
Reference Ranges and Critical Values		 Testing Schedule and Expected
Turnaround
Time
5-HIAA [Serotonin], Urine
(UHIAA) 		Ref 24 hr or random urine.
Keep refrigerated.   		 ARUP Test Directory Mailout: 5-7 days
H. pylori Breath Test
(HPBT1)		 Ref Call Reference Department for Breath Kit. ARUP Test Directory Mailout: 2 days
HAM Test
{Acid Hemolysin}		 Ref 10 ml blood (RT)
AND 5 ml EDTA tube		 ARUP Test Directory Mailout: 5-7 days
Haptoglobin
(HAPT) 		Immu 5 ml blood, 1 Gold Top   30-200 mg/dL M-F
Cutoff: 2 pm
Result: 24 hrs
HCG, Qualitative
{Serum Pregnancy Test}
(SPREG)		 Chem See Beta-hCG, Qualitative    
HCG, Quantitative
(BHCG2)		 Chem

See BHCG

    
HDL-Cholesterol 
(HDL)		 Chem

See Cholesterol-HDL 

   
Heavy Metals Panel, Blood (BMETL) Ref 7 ml blood, 1 royal blue top, with additive ARUP Test Directory Mailout: 5-7 days
Helper/ Suppressor Panel
(H/S)		 Flow 1 LT CD3: 64-82%; 
1171-2005/µl

CD4: 39-57%; 
720-1348/µl

CD8: 17-31%; 
318-710/µl

CD19: 8-16%;
151-343/µl

CD16/56: 7-21%;
145-453/µl

H/S Ratio 1.0-3.6		 M-F
Results: 4-24 hrs
Hematocrit
Adults (HCTG)
Neonates (MHCTP)		 Heme/
Peds Lab		 Adults -3.0 ml blood, 1 LT 

Neonates - micro hematocrit tubes or lavender EDTA bullet tube		 Adult:
Males  40 - 52%
Females  34 -47%
Adult Critical Values:
<21 and >55%

Term Newborn:  45-64%
Critical:  ≤35%
                ≥65%

Preterm Newborn: 40-60%
Critical:  ≤30%
                ≥60%

14-90 Days:  35-55%

 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr

Peds Lab:
   Routine: 1 hr
   STAT: 15 min

Hemochromatosis

Ref

3ml LT

ARUP Test Directory

Mailout: 5-7 days
Hemoglobin A1C [Glycosylated Hgb]
(HBA1C) 		Chem 5 ml blood, 1 LT 4 - 6% M,W,F
Results: 2 days
Hemoglobin, Blood
(HGBG)		 Heme  1 LT; 3.0 mL blood Adult:
Male: 13.5 -17.5 g/dL
Female: 11.5 -16.0 g/dL
Critical Values:
<7 and >18

Term Newborn:
D0-D22: 11.5 -17.5 g/dL
36D: 10.0 -15.0 g/dL
6M: 9.3 -15.3 g/dL		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Hemoglobin  F Quantitation Ref 5 ml blood, 1 LT 
Done in conjunction with HgB A2		 ARUP Test Directory Mailout: 5-7 days
Hemoglobin, Plasma Free  
(FRHB)		 Chem 5 ml blood, 1 LT  <10 mg/dL 24 hrs/ 7 days
Results: 2-4 hrs
STAT: 1 hr
Hemoglobin, Quantitation
(HBP)		 Chem 10 ml blood, 2 LT   HBA: >95%
HBA2:1.5-3.7%
HBF: <2%		 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Hemosiderin, Urine
(UHEMO)		 Heme 8 ml fresh urine   Negative Daily 7am-8pm
Results: 2-4hrs
Heparin
 

Heme

3.5 ml blood, 1 BLT  

Unfractionated:
0.3-0.7 IU/mL

For enoxaparin, the following therapeutic range has been suggested but has not been validated in a controlled trial.

Anti-Xa level measured 4 hours post dose:

DVT treatment (every 12 hour dosing): 0.6-1.0 U/ml

DVT treatment (once daily dosing): 1-2 U/ml 		24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Heparin Antibody Screen Ref (VA) See VA manual for more information. Negative Mailout: 2-3 days
Heparin Induced Thrombocytopenia Ref 7 ml blood, 1 large RT ARUP Test Directory Mailout: 5-7 days
Hepatitis A Virus Antibody-IgM
(HAV) 		Chem 5 ml blood, 1 Gold Top    Nonreactive M-F
Cutoff: 7:30am 
Results: up to 3 days
Hepatitis B Core-IgM
(HBCM)   		Chem 5 ml blood, 1 Gold Top Negative
 		 M-F
Cutoff: 7:30am
Results: up to 4 days
Hepatitis B Core Total
(HBCT)		 Chem 5 ml blood, 1 Gold Top Negative
If reactive, a Hepatitis B Core-IgM will be performed.		 M-F
Cutoff: 7:30am
Result: up to 4 days
Hepatitis B Surface Antibody
(HBSAB) 		Chem 5 ml blood, 1 Gold Top Negative M-F
Cutoff: 7:30am
Results: up to 4 days
Hepatitis B Surface Antigen
(HBSAG) 		Chem 5 ml blood, 1 Gold Top Negative M-F
Cutoff: 7:30am
Results: up to 4 days
Hepatitis B Surface Antigen Confirmatory
(BSAGC)		 Ref 5 ml blood, 1 Gold Top ARUP Test Directory Mailout: 5-7 days
Hepatitis Be Antibody
(BEAB)		 Ref 5 ml blood, 1 RT
Separate serum from cells ASAP.  Avoid hemolysis. 		 ARUP Test Directory Mailout: 5-7 days
Hepatitis Be Antigen
(BEAG)		 Ref 5 ml blood, 1 RT
Separate serum from cells ASAP.  Avoid hemolysis.		 ARUP Test Directory Mailout: 5-7 days
Hepatitis C Virus Antibody
(HCV) 		Chem 5 ml blood, 1 Gold Top   Nonreactive M-F
Cutoff: 7:30am
Results: up to 4 days
Hepatitis C Virus Antibody Supplemental-RIBA
(HCVR) 		Ref 6 ml blood, 1 RT
Separate serum from cells ASAP		 ARUP Test Directory Mailout: 5-7 days
Hepatitis C Virus, RNA Quantitative
(HCVQ1)		 Molecular Diagnostics 6 mL blood, 1 LT (large LT)
 		 Not Detected M-F
Batched
Results: 1-3 days 
Hepatitis Delta Antibody
(HD-AB)		 Ref 6 ml blood, 1 RT
Separate serum from cells ASAP		 ARUP Test Directory Mailout: 5-7 days
Hepatitis Delta Antigen
(HD-AG)		 Ref 7 ml blood, a large RT ARUP Test Directory Mailout: 5-7 days
Hepatitis Screen
(HEPS)  		 Chem 10 ml blood, 2 Gold Top Includes HAV, HCV, HBSAG, HBSAB,  HBCT See individual tests.
Herpes Simplex Virus I & II Antibodies, IgG/IgM
(HSP)		 Ref 6 ml blood, 1 Gold Top Separate serum from cells ASAP.  Label sample as "acute" or "convalescent" ARUP Test Directory Mailout: 5-7 days
Herpesvirus 6 (HHV-6) Antibody, IgG
(HHV6)		 Ref 6 ml blood, 1 Gold Top
Label sample as "acute" or "convalescent"		 ARUP Test Directory Mailout: 5-7 days
Herpes DFA
(HSVD)

 

 Ref

Direct specimen collection kit

(obtained from Reference Send Out
686-7047)
 Specimen must be in Reference Lab before 2 PM.

 

Negative

Physician will be called with Positive results.

 

Daily 7 am – 3 pm
Results: Same day if received before
2 p.m.

 
Heterophile Antibody Titer Ref 6 ml blood, 1 Gold Top
or 1 LT  		 ARUP Test Directory Mailout: 5-7 days
HHV6 Plasma (HHVVP)   random urine or tall lavender for blood test ViraCor Laboratories  
HHV6 Urine (HHVVU)   random urine or tall lavender for blood test ViraCor Laboratories  
H. pylori IgG Chem 5 mL blood, 1 Gold Top Negative M-F
Cutoff: 10:00 am
Result: Same Day
5-HIAA [Serotonin], Urine
(UHIAA) 		Ref 24 hr or random urine.
Keep refrigerated.   		 ARUP Test Directory Mailout: 5-7 days
High-Density Lipoprotein (HDL) Chem

See Cholesterol-HDL

    
High-Sensitivity CRP
(HSCRP)		 Ref See C-Reactive protein, high sensitivity    
Histamine, Urine
(UHIST) 		Ref Random or 24 hr urine.
Critical frozen		 ARUP Test Directory Mailout: 5-7 days
Histone Antibody, IgG
(HSTON)		 Ref 6 ml blood, 1 Gold Top.  Separate serum from cells ASAP ARUP Test Directory Mailout: 5-7 days
Histoplasma Antibody, CompFix/Immunodiffusion
(HSTP)		 Ref 6 ml blood, 1 Gold Top
Label sample as "acute" or "convalescent"		 ARUP Test Directory Mailout: 5-7 days
Histoplasma Antibody, Serum
(HSTAB) 		Ref 5 ml blood, 1 Gold Top ARUP Test Directory Mailout: 5-7 days
Histoplasma Antigen
(HSTAG)		 Ref 6 ml blood, 1 Gold Top or urine, CSF or BAL fluid ARUP Test Directory Mailout: 5-7 days
HIV 1/2 Antibody 
(HIVAB)		 Chem 5 ml blood, 1 Gold Top Nonreactive

If positive, test will be repeated, then sent out for confirmation by Western Blot		 M-F
Cutoff: 7:30am
Results: up to 4 days
HIV 1 Antibody, Western Blot
(HIVWB)		 Ref 6 ml blood, 1 RT
Separate serum from cells ASAP		 ARUP Test Directory Mailout: 5-7 days
HIV Genotype
(HIVG)		 Ref   ARUP Test Directory Mailout: 5-7 days
HIV RNA Quantitative
(HIV-1)		 Molecular Diagnostics 6 ml blood, 1 LT (large LT)

Not Detected

 M-F
Batched
Results: 1-3 days 
HLA-ABC
(ABC)  		 HLA (1) 10 ml  ACD yellow top, Solution A Interpretive report M-F
Results: 24-48 hours
HLA-B27
(B27) 		HLA (1) 10 ml ACD yellow top, Solution A     Test reported as HLA-B27 "Detected" or "Not Detected" M-F 
Results: 24-48 hours
HLA Class I Antibody Screen/Identification, PRA
(CYTS) 		HLA

New Collection Tube!
(1) special red top (additive-free, non-silicone coated, no gel separators)

Interpretive Report M-F    
Results: 24 hrs.
HLA SSP-PCR        High-Resolution Class II Molecular Typing 
(DRDNA)		 HLA (2) 10 mL ACD yellow tops, Solution A   Interpretive Report M-F
Results:  2-7 days
HLA SSP-PCR 
High-Resolution Class I Molecular Typing 
(C1DNA)		 HLA (2) 10 mL ACD yellow tops, Solution A Interpretive Report M-F
Results: 2-7 days
Homocysteine
(HCY)		 Chem 1 tall LV on ice
 		 5.0 to 15.0 µmol/ L

Plasma Homocysteine may be used as a graded risk factor for cardiovascular disease. The following classifications have been proposed (Clin Chem 2009;55:378-84)

<10.1 μmol/L    Desirable
10.1-14.9        Intermediate
15.0-29.9        High
>29.9             Very high		 24 hours/7 days
Results: 2-4 hrs.
 
Homogentisic Acid, Urine Ref 5 ml random urine, refrigerated  MAYO Reference Services Mailout: 1 week
Homovanillic Acid Ref Random or 24 hr urine.  Keep refrigerated.   ARUP Test Directory
 		 Mailout: 5-7 days
HSV 1/2 Plasma (HSVVP)   random urine or tall lavender for blood test ViraCor Laboratories  
HSV 1/2 Urine (HSVVU)   random urine or tall lavender for blood test ViraCor Laboratories  
HSV 1/2 CSF (HSVCS)   random urine or tall lavender for blood test ViraCor Laboratories  
HTLV-I/II Antibody, Western Blot
(HTLV1)		 Ref 6 ml blood, 1 RT ARUP Test Directory Mailout: 5-7 days
Human Chorionic Gonadotropin   See Beta hCG    
Human Growth Hormone
(HGH1)  		Ref 5 ml blood, 1 Gold Top ARUP Test Directory Mailout: 5-7 days
Human Immunodeficiency Virus Testing   See HIV    
17-Hydroxycorticosteroids 
(U17HC)		 Ref 24 hr urine in bottle Type II. Obtain from lab ARUP Test Directory Mailout: 5-7 days
17-Hydroxypregnenolone
(17OHP)		 Ref 7 ml blood, 1 large RT ARUP Test Directory Mailout: 10-14 days
17-Hydroxyprogesterone
(OHPGS)		 Ref 7 ml blood; 1 large RT  ARUP Test Directory Mailout: 5-7 days
5-Hydroxyindoleacetic Acid (quant) Ref See 5-HIAA.    
Hydroxyproline Ref 24 hr urine, refrigerated  ARUP Test Directory Mailout: 5-7 days
Hypercoagulation Panel
(HCOG)		 Special Coag

2 LT, one must be delivered on ice, one kept at room temperature.

3 BLT, Specimen amount is critical to maintain proper ratio of blood to anticoagulant.		 See individual test for reference ranges 3-5 days
Hypersensitivity Pneumonitis I or II Ref 5 ml blood; 1 Gold Top ARUP Test Directory Mailout: 5-7 days