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CPT 99449 covers interprofessional phone or internet consultations between healthcare providers that last 31 minutes or longer. This is used when one provider seeks clinical advice from another provider about a patient's care through electronic communication.
RVU breakdown
Conversion factor: 32.3465 · Source: CMS MPFS RVU25A · Confidence: High
Billing tips
Document exact start and stop times for all consultation activities including record review, discussion time, and report preparation to substantiate the 31+ minute threshold
Impact: Inadequate time documentation is the leading cause of downcoding from 99449 ($69.54) to 99448 ($50.87), resulting in $18.67 loss per claim
Ensure both verbal AND written reports are provided to the treating physician; missing either component will result in denial
Impact: Complete documentation of both components prevents 100% denial ($69.54 loss)
Bill 99449 only once per patient per consultant within a 14-day period; subsequent consultations within this timeframe are included in the original service
Impact: Prevents automatic denials and recoupment of duplicate payments
Verify the treating physician has an established relationship with the patient and is requesting the consultation; consultant cannot self-initiate this service
Impact: Ensures medical necessity criteria are met and prevents denials based on lack of treating provider request
Do not bill 99449 if the consultation leads to a transfer of care or face-to-face visit within 14 days; use appropriate E&M code instead
Impact: Prevents unbundling denials and recoupment; face-to-face visit code typically pays more ($100-$300 depending on level)
Use 99449 for asynchronous EHR consultations where you review records and provide written guidance over 31+ minutes total time, not just synchronous phone calls
Impact: Expands billable opportunities for time spent in EHR-based specialist consultations that meet time threshold
Common denials
Insufficient time documentation - total time not clearly documented or does not meet 31-minute threshold
How to appeal: Submit appeal with detailed time log showing start/stop times for record review, phone discussion duration, and report preparation time with timestamps. Reference CPT guidelines that 99449 requires 31+ minutes of medical consultative time.
Missing written report component - only verbal consultation documented without accompanying written report to treating physician
How to appeal: Provide copy of written report sent to treating physician via EHR message, email, or formal consultation note. Include transmission date and method. Emphasize CPT requirement for both verbal and written components.
Duplicate billing - service billed more than once within 14-day period for same patient
How to appeal: If consultations were for distinct clinical issues or requested by different treating physicians for separate concerns, provide documentation showing separate requests and different clinical questions addressed. Otherwise, accept denial as appropriate.
Medical necessity not established - consultation request or clinical indication not documented
How to appeal: Submit treating physician's consultation request showing specific clinical question, patient complexity requiring specialist input, and how the consultation influenced patient management. Include clinical documentation supporting need for specialist expertise.
Frequently asked questions
What is CPT code 99449 used for?
CPT 99449 is used for interprofessional telephone, internet, or EHR consultations between healthcare providers that last 31 minutes or more. It allows a consulting specialist to bill for time spent reviewing records and providing clinical advice to a treating physician without seeing the patient directly.
How much does Medicare pay for CPT 99449 in 2025?
Medicare pays $69.54 for CPT 99449 in 2025 based on the national average non-facility rate. The code has 2.15 total RVUs (1.4 work RVU, 0.63 PE RVU, 0.12 MP RVU) multiplied by the 2025 conversion factor of 32.3465.
How many minutes are required for CPT 99449?
CPT 99449 requires 31 minutes or more of medical consultative discussion and review time. This includes time spent reviewing records, discussing the case with the treating physician, and preparing a written report. For consultations under 31 minutes, use CPT 99446, 99447, or 99448 based on the actual time spent.
Can CPT 99449 be billed multiple times for the same patient?
CPT 99449 can only be billed once per patient per consultant within a 14-day period. If additional consultations are needed within that timeframe, they are considered part of the original service and cannot be billed separately.
What documentation is required for billing CPT 99449?
Documentation must include the consultation request from the treating physician, total time spent (31+ minutes), detailed time breakdown, records reviewed, verbal discussion with treating provider, and a written report sent to the treating physician. Both verbal and written components are mandatory.
Can I bill 99449 for an email consultation with another provider?
Yes, CPT 99449 can be used for asynchronous internet/EHR consultations including email exchanges, as long as you meet the 31+ minute time requirement, review pertinent records, have both verbal and written communication with the treating provider, and document all required elements.
What is the difference between CPT 99449 and 99448?
The only difference is time: CPT 99448 is for interprofessional consultations lasting 21-30 minutes (pays $50.87), while CPT 99449 is for consultations of 31 minutes or more (pays $69.54). All other requirements regarding verbal/written reports and documentation are the same.