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Modifier CR

Medicare-specific / other

Modifier CR. Catastrophe/Disaster Related — Part B flag during declared emergencies/Section-1135 waivers. Use only during an active declared event.

Reference only — CPT descriptors are AMA-copyrighted (paraphrased). Payment percentages and acceptance vary by payer; verify against the current CPT/HCPCS files and payer policy.

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