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CPT 99307 covers a follow-up visit by a physician or qualified healthcare professional to see a patient already established in a nursing facility or skilled nursing facility when the visit involves straightforward medical decision-making (about 10 minutes).
This calculator gives a typical-case estimate using standard Medicare modifier rules. Actual payment depends on payer policies, documentation, code-specific CMS status indicators, and locality. Verify before billing.
RVU breakdown
Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High
NCCI bundling edits
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Billing tips
Bill only one subsequent nursing facility code (99307-99310) per patient per date of service, regardless of how many times you see the patient
Impact: Prevents automatic denial of duplicate claims; select the highest level supported by documentation for that day
Document medical decision-making elements clearly: number of diagnoses/problems addressed, data reviewed, and risk level
Impact: Under 2023+ E/M guidelines, MDM is the primary determinant; poor MDM documentation causes downcoding from 99308-99310 to 99307, losing $25-$75 per encounter
Use time-based coding only when counseling/coordination of care comprises more than 50% of the encounter; document total time and activities
Impact: Time can be used as alternative to MDM for code selection; for 99307, 10 minutes is typical, but must be clearly documented to support the code level
Do not bill 99307 within 30 days of discharging the patient from inpatient status if you were the admitting physician
Impact: Global period rules may apply; billing during post-discharge global period results in denial and potential recoupment
Verify that the facility type qualifies as a nursing facility; assisted living facilities typically require domiciliary codes (99334-99337) instead
Impact: Incorrect place of service coding leads to 100% denial; using 99307 for assisted living loses the entire $38.49 payment
For Medicare Advantage plans, verify whether the plan requires the AI modifier for principal physician identification
Impact: Missing required modifiers can delay payment by 30-60 days while payer requests corrected claims
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