Modifier Updates
New Modifiers Used to Report the Severity of Functional Limitations
Impairment Limitation Restriction
CH 0 percent impaired, limited or restricted
CI At least 1 percent but less than 20 percent impaired, limited or restricted
CJ At least 20 percent but less than 40 percent impaired, limited or restricted
CK At least 40 percent but less than 60 percent impaired, limited or restricted
CL At least 60 percent but less than 80 percent impaired, limited or restricted
CM At least 80 percent but less than 100 percent impaired, limited or restricted
CN 100 percent impaired, limited or restricted
Reference: http://www.cms.gov/Outreach-and-Education/Outreach/NPC/Downloads/FunctionalReportingNPC.pdf
Additional NCCI Modifiers
LM Left main coronary artery
RI Ramus intermedius
Reference: http://www.cms.gov/Regulations-and-Guidance/Guidance/Transmittals/Downloads/R1136OTN.pdf
Deleted Modifiers
V8 Dialysis related infection present during the billing month
V9 No dialysis related infection present during the billing month
Also see 2013 CPT Code Changes and List of all Modifiers
