0166U

Medicare payment

$503.40

2026 Clinical Laboratory Fee Schedule

Source: CMS Clinical Laboratory Fee Schedule (2026). CMS fee schedules ↗

National amount before geographic adjustment. Your MAC's locality rate will differ.

Code definition

Short description sourced from CMS publicly available fee schedule data. Full CPT descriptions are copyright AMA. Not a substitute for the official CPT codebook.

Policy activity for CPT 0166U

CLV Intelligence is tracking 11 policy changes that cite CPT 0166U between 2026-06-05 and 2026-06-25, drawn from 4 MAC LCD revisions, 4 proposed LCDs and 3 LCD/NCD coverage updates. The changes span Clinical Laboratory and Gastroenterology. 7 are flagged critical or high priority.

MAC LCD revisions

4

proposed LCDs

4

LCD/NCD coverage updates

3

Counts reflect the source documents CLV has matched to CPT 0166U to date; each links to the government publication that is authoritative. Monitored daily from CMS, the Federal Register, and Medicare Administrative Contractor publications.

Policy changes matched to 0166U

Matched to this code by CLV analysis of each policy. The linked source document is authoritative.

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