FIGURE B-1 BeLPT algorithm.

1Met confirmation criteria of 2AB or 1AB and 1 BL.

2Did not meet confirmation criteria.

Abbreviations: AB, abnormal; BL, borderline. Source: Middleton et al. 2006. Reprinted with permission; copyright 2006, American Journal of Industrial Medicine.

(1) BeLPT Test 1:

Normal:

NO FURTHER ACTIONS; retest periodically per protocol

Abnormal:

RETEST split sample in two laboratories

Borderline:

RETEST split sample in two laboratories

Uninterpretable:

RETEST split sample in two laboratories



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