M26-M27

Dentofacial anomalies [including malocclusion] and other disorders of jaw

Block coding notes

Excludes 1 never together · Excludes 2 may co-exist

Excludes 1

hemifacial atrophy or hypertrophy (Q67.4) unilateral condylar hyperplasia or hypoplasia (M27.8)

Codes in this block

115 codes

Billableusable codeNon-billableheader / grouping codeRisk-adjusting

Official Guidelines for M26-M27

FY 2026 ›