Yale New Haven Hospital

Department of Laboratory Medicine
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Hemoglobin and hematocrit, blood

Lab Section: 

Hematology

 

Lab Location: 

Main Lab

Test ID: 

LAB753

 

Synonyms: 

H & H H and H

Methodology: 

Automated cell counter

Schedule: 

Sun-Sat

Reported: 

1 hour for STAT orders; 2 hours for Routine orders

Specimen Requirements: 

Collection: 3.0 mL Blood in a Lavender Top Tube.
Pediatric volume: 0.5 mL.
Unacceptable conditions: Clotted, QNS or frozen specimens; only acceptable anticoagulant EDTA (lavender top).
Stability: Preferred specimen within 4 hours of collection; acceptable <24 hours><24 hours

 

CPT Code(s): 

85014, 85018

 

Last Changed: 

8/21/2017 12:27 PM

 

 

Hemoglobin [LRR1534435]

 

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

13

23 g/dL

1 Week up to 2 Months

Any

13

20 g/dL

2 Months up to 12 Months

Any

12

15 g/dL

12 Months up to 6 Years

Any

12

15 g/dL

6 Years up to 12 Years

Any

12

15 g/dL

12 Years up to 18 Years

Any

12

15 g/dL

18 Years up to 999 Years

Any

12

18 g/dL

 

Hematocrit [LRR1534436]

Age Limit

Sex

Normal Range

0 Days up to 7 Days

Any

39

70 %

1 Week up to 2 Months

Any

37

60 %

2 Months up to 12 Months

Any

37

45 %

12 Months up to 6 Years

Any

37

43 %

6 Years up to 12 Years

Any

37

45 %

12 Years up to 18 Years

Any

37

48 %

18 Years up to 999 Years

Any

37

52 %