Cystatin C (Sendout)

Interpretation

Method

Nephelometry

Reference Range

Units: mg/L

Female		Male
Age	Range	Age	Range
0-3m	0.8-2.3	0-3m	0.8-2.3
4m-11m	0.7-1.5	4m-11m	0.7-1.5
1y-	0.5-1.3	1y-	0.5-1.3

Effective date: 02/20/2020

Ordering & Collection

Specimen Type

Blood

Collection

6 mL blood in RED TOP, GOLD SST, GREEN TOP (Sodium Heparin), or LAVENDER TOP Tube

Also Accepted: LIME GREEN PST (Lithium Heparin)

Handling Instructions

Outside Laboratories: Centrifuge sample and transfer serum or plasma to a separate plastic vial within 2 hours of collection. Refrigerate serum/plasma.

Stability: Refrigerated (preferred): 7 days; Frozen: 2 months; Ambient: 48 hours (serum/plasma on gel separator or aliquoted to separate vial)

Reject Due To: Gross lipemia. Hemolysis or icterus is acceptable.

Quantity

Requested: 0.5 mL serum/plasma
Minimum: 0.4 mL serum/plasma

Processing

Receiving Instructions

Centrifuge sample and transfer serum or plasma to a separate plastic vial within 2 hours of collection. Refrigerate serum/plasma.

• Plasma or serum in gel separator tubes is stable for 48 hours once spun. Aliquot prior to sending to SCHL.

SPS: Order this test on a separate accession.

Sendouts:

• SCHL Test: LAB2966
• Interfaced: Yes [Interface: 601; Department: SOSC]

Stability: Refrigerated (preferred): 7 days; Frozen: 2 months; Ambient: 48 hours (serum/plasma on gel separator or aliquoted to separate vial)

Reject Due To: Gross Hemolysis. Hemolysis or icterus is acceptable.

Misc Sendout

Performance

Lab Department

SCHL Interfaced Sendouts(SOSC)

Frequency

Performed: Mon, Wed, Friday (day shift). Turnaround Time: 1-3 days.

Available STAT?

No

Performing Location(s)

Sendout	Seattle Children's Hospital Laboratories 206-987-2617 4800 Sand Point Way NE Seattle, WA 98105	Room Number: FB.2.441

Other Locations/Notes

Seattle Children's Hospital Laboratory, Chemistry East: (206) 987-2617

Billing & Coding

CPT Codes

82610

LOINC

33863-2

Interfaced Order Code

UOW5649

Interfaced Result Code

UOW5649