BAL FCM Markers
Test Mnemonic
FCBAL
CPT Codes
- 86356 - QTY (3)
LOINC ®
32752-8,40623-1,40624-9
Aliases
- Sarcoid markers for BAL
Includes
- CD3 T Cell %
- CD4 T Cell %
- CD8 T Cell %
- CD4/CD8 Ratio
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 10 mL | Bronch (BAL) | Sterile container | Ambient | Ambient | Specimens must be kept at room temperature and be received in the testing lab within 48 hours of stated collection time. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | Sample should be maintained at room temperature and received in the testing lab within 48 hours. |
Days Performed
Mon - Sat
Turnaround Time
1 - 3 days
Reference Range
| CD3+ T Cell % | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Months | 3 Months | Normal | 60 - 87 | % | Normal | 61 - 80 | % | 4 Months | 11 Months | Normal | 57 - 84 | % | 12 Months | 23 Months | Normal | 53 - 81 | % | 24 Months | 59 Months | Normal | 62 - 80 | % | 5 Years | 99 Years | Normal | 60 - 89 | % |
| CD3+CD8+ T Cell % | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Months | 3 Months | Normal | 16 - 35 | % | 4 Months | 11 Months | Normal | 16 - 34 | % | 12 Months | 23 Months | Normal | 16 - 38 | % | 24 Months | 59 Months | Normal | 22 - 38 | % | 5 Years | 99 Years | Normal | 10 - 41 | % |
Special Info
Bronchial Alveolar lavage (BAL). Minimum Volume (2ml). Store at room temperature. No sharing.
Clinical Info
T cell subsets percentages will be reported along with a CD4/CD8 ratio. A BAL CD4/8 ratio of >3.5 is associated with sarcoidosis in the appropriate clinical setting. (Semin Respir Crit Care Med 2010;31:404-408).