Acetylcholine Receptor Blocking Aby
Test Mnemonic
ACEBAB
CPT Codes
- 86042 - QTY (1)
LOINC ®
42937-3
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | separate serum from cells as soon as possible |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 1 day |
| Refrigerated | 7 days |
| Frozen | 2 years |
Days Performed
Thu
Turnaround Time
1 - 8 days
Methodology
| Name | Description |
|---|---|
| Radioimmunoassay (RIA) |
Reference Range
| Acetylcholine Receptor Blocking Ab | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | < 21 | % | |||
| Acetylcholine Receptor Blocking Antibody Qualitative | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | Negative | . |
Special Info
Grossly hemolyzed, lipemic samples, or samples containing bilirubin are unacceptable.
Clinical Info
Anti-acetylcholine receptor blocking antibody test is used as an aid in diagnosis of myasthenia gravis. A negative result cannot exclude myasthenia gravis. Clinical correlation is required.