Apr 3, 2015




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Hematology

Scan for RBC Fragments

Scan for RBC Fragments (HCSCFRAG) Hematology Lab Test

Name: Scan for RBC Fragments

Test Name: Scan for RBC Fragments

Health Link Test Code: HCSCFRAG


CPT Code(s): 85008

Included In: WBC and Differential, CBC with Differential

Methodology: Manual Microscopy

Clinical Information:

To document the presence of RBC fragments when a complete differential is not needed.

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: K3EDTA-Lavender top

Also Acceptable: K2EDTA-Lavender top, Pink top tube

Collection Volume: 4 mL

Pediatric Collection Volume: 1 mL

Stability Ambient:

8 hours

Stability Refridgerated:

Not acceptable

Stability Frozen:

Not acceptable

Sample Analyzed: Whole Blood

Testing Volume: 1 mL

Pediatric Testing Volume: 0.25 mL in microtainer

Specimen Transport:

Transport specimen to UWHC Hospital Laboratory. Transport specimen at ambient temperature.

Unacceptable Criteria:

Clotted specimens are not acceptable. Tubes with <25% of fill volume.


A Wright-stained peripheral smear will be reviewed. Fragments will be reported as none seen, <1, 1-5, 6-10, or >10 per 100x oil field.

Interpretation Type: Interpretive Guidelines