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Time Sensitive
Ordering Recommendation
Mnemonic
CHR
Methodology

Flow Cytometry

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Specimen Required
Patient Preparation
Collect

Lavender (EDTA) or pink (K2EDTA).

Specimen Preparation

Do not freeze. Transport 3 mL whole blood. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Frozen specimens. Clotted or hemolyzed specimens.

Remarks
Stability

Ambient: 24 hours; Refrigerated: 48 hours; Frozen: Unacceptable

Reference Interval

Effective May 16, 2016

Test Number
Components
Reference Interval
  Cellular Hemoglobin, Retic Effective May 16, 2016
Age
0-180 days
6-23 months
2-25 years
6-11 years
12-17 years
18 years and older
Male (pg) 27.6-38.7 28.7-35.7 27.7-37.8 32.4-37.6 30.3-40.4 27.9-37.0
Female (pg) 29.2-37.5 30.1-35.7 29.3-37.3 30.4-39.7 29.9-38.4 27.9-37.0

  Reticulocyte Number Effective May 16, 2016
Age 0-13 days 14 days and older
Male (K/µL) 39.6-137.5 47-152
Female (K/µL) 39.6-137.5 47-127

0040280 Reticulocytes Effective May 16, 2016
Age
0-13 days
14 days and older
% 2.7-6.6 1.0-2.6

  Immature Reticulocyte Fraction Effective May 16, 2016
Age 0-3 days 4-30 days 31-60 days 61-180 days 6-23 months 2-5 years 6-11 years 12-17 years 18 years and older
% 30.5-35.1 14.5-24.6 19.1-28.9 13.4-23.3 11.4-25.8 8.4-21.7 8.9-24.1 9-18.7 2.9-15.5

Interpretive Data



Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

85046

Components
Component Test Code* Component Chart Name LOINC
0040023 Reticulocyte Number 60474-4
0040252 Cellular Hemoglobin, Retic 42810-2
0040280 Reticulocytes Percent 17849-1
2013368 Immature Reticulocyte Fraction
* 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
  • Cellular Hb
  • cellular hemoglobin concentration, reticulocyte
  • Immature Reticulocyte Fraction
Reticulocyte, Hemoglobin Panel