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Modifier 1P

Category II performance measurement

Modifier 1P. Measure not performed for medical reasons.

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.

Related modifiers

2P
Measure not performed for patient reasons.
3P
Measure not performed for system reasons.
8P
Measure not performed, reason not otherwise specified.

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