Ordering Recommendation

Use to assess erythropoiesis in hematologic conditions. 

Mnemonic
RETICULOCY
Methodology

Flow Cytometry

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
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
Test Number
Components
Reference Interval
0040280 Reticulocytes Effective May 16, 2016
Age
0-13 days
14 days and older
% 2.7-6.6 1.0-2.6

  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

Interpretive Data



No compliance statements are in use for this test.

Note
Hotline History
N/A
CPT Codes

85045

Components
Component Test Code* Component Chart Name LOINC
0040023 Reticulocyte Number 60474-4
0040280 Reticulocytes Percent 17849-1
* 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
  • Reticulocyte index
Reticulocytes, Percent and Number