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HelpTest Code CALFC CALPROTECTIN, STOOL
Additional Codes
| Software | Test Code |
|---|---|
| Label Text | CALFC |
| EPIC | LAB20185 |
Performing Laboratory
NorDx Laboratories
Useful For
Evaluating patients suspected of having a gastrointestinal inflammatory process.
Distinguishing inflammatory bowel disease (IBD) from irritable bowel syndrome (IBS), when used in conjunction with other diagnostic modalities, including endoscopy, histology and imaging.
Method Name
Chemiluminscent Immunoassay (CLIA)
Reference Values
|
Calprotectin Concentration |
Results |
|
<50 μg/g |
Normal |
|
50 - 120 μg/g |
Borderline |
|
>120 μg/g |
Elevated |
Prior to January 7, 2025:
27.1 – 49.9 mg/kg (Normal; No follow-up)
50.0 – 120.0 mg/kg (Borderline; Re-evaluate at 4-6 weeks)
>120.0 mg/kg (Abnormal; Repeat as clinically indicated)
Days and Times Test Performed
Tuesdays and Thursdays
Report Available
Up to 1 Week
Specimen Type
Stool
Preferred Container
Sterile Container
Preferred Volume
Stool: 5 g (Sterile Container)
Minimum Volume
Stool: 1 g (Sterile Container)
Specimen Collection and Handling
1. Collect a fresh random stool specimen, no preservatives, and store at 2-8° C during transport.
2. Separate specimens must be submitted when multiple tests are ordered. Do not add on to previously collected specimen.
3. Specimen can not be collected from a diaper.
Specimen Stability Information
Specimen Type: Stool
Frozen: 16 weeks
Refrigerated: 72 hours
Ambient: 6 hours
Add On Capable
Not Permitted
Advance Beneficiary Notice Requirements
This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.
CPT Code Information
|
CPT Code |
CPT Description |
CPT Disclaimer |
|---|---|---|
| 83993 | Calprotectin, Fecal, Quantitative |
Performing Laboratory Location
NorDx Laboratories
LOINC Code Information
38445-3
Rejection Information
Specimens with preservative are not acceptable.