Billing and Coding Guidelines for Magnetic Resonance …
https://downloads.cms.gov/medicare-coverage-database/lcd_attachments/28723_75/l28723_rad024_cbg_020112.pdf
WebEffective for services performed on or after 04/01/2005 HCPCS code Q9952 replaces HCPCS code A4643. Effective for dates of service 01/01/2008, HCPCS code A9579 replaces HCPCS code Q9952. MRI procedure codes (70549, 70553, 70559, 71552, 72197, 73220, 73223, 73720, 73723, and 74183), should be reported only once per day.
DA: 85 PA: 94 MOZ Rank: 96