Search our extensive Laboratory Test Directory to find test codes, ordering recommendations, specimen stability information, Test Fact Sheets, and more.
Recommendations when to order or not order the test. May include related or preferred tests.
Acceptable panel to detect protein C and S deficiencies. Preferred test for detecting protein S deficiency is Protein S Free, Antigen (0098894). Do not order if the individual has been on warfarin therapy in the previous 2-4 weeks.
New York DOH Approval Status
Indicates whether a test has been approved by the New York State Department of Health.
This test is New York state approved.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
Light Blue (Sodium Citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Transfer 2 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Serum. EDTA plasma, clotted or hemolyzed specimens.
RemarksAdditional specimen collection, transport, or test submission information.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen at -20°C: 3 months, at -70°C: 6 months
Methodology
Process(es) used to perform the test.
Electromagnetic Mechanical Clot Detection
Performed
Days of the week the test is performed.
Sun-Sat
Reported
Expected turnaround time for a result, beginning when ARUP has received the specimen.
1-2 days
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Test Number
Components
Reference Interval
Protein C Functional
Age
Reference Interval (%)
1-4 days
17-53
5-29 days
20-64
30-89 days
21-65
90-179 days
28-80
180-364 days
37-81
1-6 years
40-92
7-9 years
70-142
10-11 years
68-143
12-13 years
66-162
14-15 years
69-170
16-17 years
70-171
18 years and older
83-168
Protein S Functional
Age
Male (%)
Female (%)
1-89 days
15-55
15-55
90-179 days
35-92
35-92
180-364 days
45-115
45-115
1-5 years
62-120
62-120
6 years
62-130
62-130
7-9 years
66-140
62-151
10-11 years
65-139
65-142
12-13 years
72-139
70-140
14-15 years
68-145
55-145
16-17 years
77-167
51-147
18 years and older
66-143
57-131
Interpretive Data
May include disease information, patient result explanation, recommendations, or details of testing.
Refer to report.
Compliance Category
FDA
Note
Additional information related to the test.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* 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.
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