Test ID: CARBA
Carbamazepine Profile
NY State Approved 
Indicates the status of NY State approval and if the test is orderable for NY State clients.
Yes
Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| CAR | Carbamazepine, Total, S | Yes | Yes |
| 1011E | Carb-10,11-Epoxide, S | No | Yes |
| CARFR | Carbamazepine, Free, S | No | Yes |
Method Name A short description of the method used to perform the test
CAR/8654: Immunoassay
1011E/7467: High-Performance Liquid Chromatography (HPLC)
CARFR/15885: Membrane Separation/Immunoassay
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Carbamazepine Profile
Aliases Lists additional common names for a test, as an aid in searching
Carbamazepine (Carbatrol, Tegretol)
Carbamazepine Metabolite
Carbatrol (Carbamazepine)
Epoxide 10,11
Free and Total Carbamazepine
Tegretol (Carbamazepine)
Carbamazepine Metabolite
Carbatrol (Carbamazepine)
Epoxide 10,11
Free and Total Carbamazepine
Tegretol (Carbamazepine)
Specimen Type Describes the specimen type needed for testing
Serum Red
Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.
Container/Tube: Red top
Specimen Volume: 3 mL
Collection Instructions: Draw blood 12 hours (trough value) after last dose.
Specimen Minimum Volume Defines the amount of specimen required to perform an assay once, including instrument and container dead space. Submitting the minimum specimen volume makes it impossible to repeat the test or perform confirmatory or perform reflex testing. In some situations, a minimum specimen volume may result in a QNS (quantity not sufficient) result, requiring a second specimen to be collected.
2 mL
Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected
| Hemolysis | Mild OK; Gross reject |
| Lipemia | Mild OK; Gross reject |
| Icterus | Mild OK; Gross OK |
| Other | Serum gel tube |
Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperature(s) are also included.
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum Red | Refrigerated (preferred) | 14 days |
| Ambient | 14 days | |
| Frozen | 14 days |
Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.
CARBAMAZEPINE, TOTAL
Therapeutic concentration: 4.0-12.0 mcg/mL
Toxic concentration: > or =15.0 mcg/mL
CARBAMAZEPINE-10,11-EPOXIDE
Therapeutic concentration: 0.4-4.0 mcg/mL
Toxic concentration: > or =8.0 mcg/mL
CARBAMAZEPINE, FREE
Therapeutic concentration: 1.0-3.0 mcg/mL
Toxic concentration: > or =4.0 mcg/mL
Day(s) and Time(s) Test Performed Outlines the days and times the test is performed. This field reflects the day and time the sample must be in the testing laboratory to begin the testing process and includes any specimen preparation and processing time required before the test is performed. Some tests are listed as continuously performed, which means assays are performed several times during the day.
Monday through Sunday; Varies
Analytic Time Defines the amount of time it takes the laboratory to setup and perform the test. This is defined in number of days. The shortest interval of time expressed is "same day/1 day," which means the results may be available the same day that the sample is received in the testing laboratory. One day means results are available 1 day after the sample is received in the laboratory.
1 day
Maximum Laboratory Time Defines the maximum time from specimen receipt at Mayo Medical Laboratories until the release of the test result
4 days
Specimen Retention Time Outlines the length of time after testing that a specimen is kept in the laboratory before it is discarded
See Individual Unit Codes.
Performing Laboratory Location The location of the laboratory that performs the test
Rochester
CPT Code Information Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Medical Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.
80156-Carbamazepine, total
80157-Carbamazepine, free
80299-Carbamazepine-10,11-Epoxide
LOINC® Code Information Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the result codes returned for this test or profile.
| Result ID | Reporting Name | LOINC Code |
|---|---|---|
| 7467 | Carb-10,11-Epoxide, S | 9415-1 |
| 8654 | Carbamazepine, Total, S | 3432-2 |
| 15885 | Carbamazepine, Free, S | 3433-0 |
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