Yale New Haven Hospital

Department of Laboratory Medicine
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Reticulocytes

Lab Section: 

Hematology

 

Lab Location: 

Main Lab

Test ID: 

LAB296

 

Synonyms: 

Retic

Methodology: 

Automated cell count

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: Frozen, clotted, QNS, cold agglutinin, anticoagulants other than EDTA
Stability: <24 hours of collection, stored at room temperature><24 hours

 

Notes: 

Clinical Indications: Indicator of bone marrow erythrocyte response.

Tests in this Panel: 

Test Name

Reference Interval

Reticulocyte

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

0.6-2.7 %

Reticulocyte Hgb Equivalent [LRR17890]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

28.2

35.7 pg

Immature Reticulocyte Fraction [LRR19232]

Age Limit

Sex

Normal Range

0 - 18 Years

Any

2.3

13.4 %

18 Years 999 Years

Any

3.0

15.9 %

Absolute Reticulocyte [LRR18950]

Age Limit

Sex

Normal Range

0 Days - 999 Years

Any

0.0230

0.1400 10ˆ6 cells/uL

CPT Code(s): 

85046

Last Changed: 

8/21/2017 1:04 PM