Manual Differential
0040005
Ordering Recommendation
 
Mnemonic
DIFF
Methodology
Microscopy
Performed
Sun-Sat
Reported
Within 24 hours  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Lavender (EDTA) or pink (K2EDTA). OR unstained whole blood smears.  
Specimen Preparation
Specimens must be well mixed prior to making smears. Transport 3 mL whole blood OR 2 unstained whole blood smears. (Min: 0.5 mL OR 2 smears)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Frozen specimens. Clotted specimens.  
Remarks
  
Stability
Whole Blood: Ambient: 8 hours; Refrigerated: 24 hours; Frozen: Unacceptable
Smears:
Ambient: 24 hours; Refrigerated: 72 hours; Frozen: Unacceptable  
Reference Interval
 
 
Test Number Components Reference Interval
 PMNs15 yrs & over: 45-​79%
 Bands0-​5%
 Lymphocytes15 yrs & over: 16-​47%
 Monocytes15 yrs & over: 0-​9%
 Eosinophil % 0-​6%
 Basophil Percentage 0-​2%
 Absolute Neutrophil Count  
 
Age Male (K/µL) Female (K/µL)
1-​3 days 1.7-​4.7 2.1-​8.4
4-​7 days 1.9-​4.1 1.8-​5.1
8-​14 days 1.9-​5.2 1.7-​5.4
15-​30 days 1.5-​3.6 1.3-​4.3
31-​60 days 1.2-​4.4 1.2-​4.9
61-​180 days 1.4-​6.4 1.4-​6.7
6 months-​2 years 1.6-​8.3 1.8-​9.1
3-​6 years 1.8-​7.4 1.8-​6.8
7-​12 years 1.8-​6.6 1.8-​6.7
13 years and older 1.3-​7.0 1.3-​7.0
 Morphology Normocytic/Normochromic
 Platelet (estimate) Adequate
Interpretive Data
 
Note
 
CPT Code(s)
85007
Components
Component Test Code*Component Chart NameLOINC
0040015Anisocytosis702-1
0040021Variant Lymphocytes13046-8
0040025Band Manual26508-2
0040030Basophil Manual707-0
0040035Basophilic Stippling703-9
0040040Blasts Manual709-6
0040045Burr Cells7790-9
0040050Dohle Bodies7792-5
0040060Eosinophil Manual714-6
0040090Howell Jolley Bodies 
0040091Acanthocytes7789-1
0040092Monocytic Vacuolation 
0040095Hypersegmentation765-8
0040099Additional Comments (Diff) 
0040100Hypochromic728-6
0040110Large Platelets32146-3
0040120Lymphocyte737-7
0040129Absolute Neutrophil Count26511-6
0040135Macrocytosis738-5
0040155Metamyelocyte Manual740-1
0040160Microcytosis741-9
0040165Monocyte Manual744-3
0040185Myelocyte Manual749-2
0040195Normocytic/Normochromic7794-1
0040200Vacuolated PMN 
0040205Nucleated RBC Manual18309-5
0040210Hematology, Other Cells26471-3
0040215Ovalocytes774-0
0040220Pappenheimer Bodies7795-8
0040225Platelet Clumps7796-6
0040230Platelet Estimate9317-9
0040250Polymorphonuclear31160-5
0040255Poikilocytosis779-9
0040260Polychromasia10378-8
0040265Promyelocyte783-1
0040285Rouleaux RBC7797-4
0040290Schistocyte800-3
0040295Smudge Cells7798-2
0040300Spherocyte802-9
0040305Target Cells10381-2
0040310Tear Drop Cells 
0040315Toxic Granulation803-7
2000603Sickle Cell801-1
* 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
  • Manual Diff