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Test Code MBLF Mannan-Binding Lectin Pathway Function Test (C4b), Serum

Clinical Indications

Deficiency in either MBL or
MASP-2 appears to predispose individuals
to serious infections (e.g. pneumonitis, sepsis, osteomyelitis,
gastroenteritis and meningitis) especially during childhood before
the adaptive immunity has fully developed.

Additional Test Codes

Epic Order Name: MBL FUNCTION TEST (aka
MBLF)
Sunquest Order Code: MBLF
Epic Px Code: LAB2889

Specimen Collection Type

Preferred: Gold
Acceptable: Red

Minimum Collection Volume

0.1 mL

Reference Range

The assay range is approximately 135 to 3100. Results less than
200 ng/mL indicate deficiency. This range is the mean plus 3
standard deviations with sera obtained from a population of
deficient individuals.

Critical Value

N/A

Interpretation

N/A

Rejection Criteria

Specimens beyond their acceptable length of time from collection
as listed in the specimen stability

Specimen Availability for Add-on Testing

2 Days

Specimen Stability

Ambient (preferred): 1 week
Refrigerated: 4 weeks
Frozen: Greater than 3 months

Day(s) Performed

Varies

Performing Lab- Department

TUKHS-BH-Mail Outs

CPT Code

86161

LOINC Code

N/A

Test Alias

Mannose-Binding Lectin Pathway Function Test (C4b), Serum

Additional Information / Notes

Turnaround time: 5-7 business days from receipt of specimen