D9440Office Visit, After Regularly Scheduled Hours
2026 Billing Guide
An additional charge for a dental visit that takes place outside normal office hours, such as evenings, weekends, or holidays. Billed as an add-on alongside procedure codes.
What This Code Covers
D9440 is an add-on code that captures the additional charge for seeing a patient outside the dental office's regularly scheduled hours. This applies to visits on evenings, weekends, holidays, or any time the office would normally be closed. The code does not cover the treatment itself. It is billed alongside the procedure codes and evaluation codes for whatever services were provided during the after-hours visit. Not all payers reimburse this code separately, so verification is important before billing.
Billing Guide
Bill this code when:
- The patient is seen outside the office's posted regular hours (evenings, weekends, holidays)
- The provider opened the office or stayed late specifically to see this patient
- D9440 is billed in addition to the evaluation and procedure codes for the services performed
- The patient's plan covers after-hours visit charges as a separate benefit
Do not bill this code when:
- The visit occurs during the office's regularly scheduled hours, even if it feels like an emergency
- The office routinely has evening or weekend hours as part of its normal schedule
- The payer does not recognize or reimburse D9440 and you have not discussed the charge with the patient
- D9440 is being billed as a standalone code without any accompanying evaluation or procedure codes
Insurance and Denial Prevention
Key Payer Rules:
- Many commercial PPO plans do not reimburse D9440 separately. They consider after-hours availability to be part of the provider's practice and not a billable service
- Some plans that do cover D9440 require documentation that the office was specifically opened for the patient outside normal hours
- Medicaid programs in most states do not cover D9440. Check your state's dental fee schedule
- When the payer does not cover D9440, you can bill the patient directly if your office policy and patient financial agreement allow it. Disclose the fee before the visit
Common Denials and How to Respond:
- Not a covered benefit → Verify coverage before billing. If the plan does not cover D9440, inform the patient of the after-hours fee and collect payment at the time of service. Keep a signed financial agreement on file.
- No documentation of after-hours visit → Submit the chart notes showing the date and time of the visit along with your office's regular hours. A brief narrative explaining the circumstances is helpful.
- Bundled with emergency treatment code → Some payers bundle D9440 with D9110 (palliative care). If both services were distinct, appeal with a narrative explaining that D9440 covers the after-hours access and D9110 covers the treatment provided.
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Explore Related Codes
Codes commonly billed alongside or often confused with this procedure.
Palliative (Emergency) Treatment of Dental Pain, Minor Procedure
Emergency treatment to relieve dental pain without providing definitive treatment. Covers exam, diagnosis, and minor palliative care such as a temporary filling, medication, or abscess drainage.
Local Anesthesia in Conjunction with Operative or Surgical Procedures
Administration of local anesthetic (numbing) during a dental procedure. Most payers consider this included in the procedure code and do not reimburse it separately.
Inhalation of Nitrous Oxide/Analgesia, Anxiolysis
Administration of nitrous oxide (laughing gas) for anxiety reduction during dental procedures. Includes gas delivery, monitoring, and recovery time, billed per visit.
Consultation, Diagnostic Service Provided by Dentist or Physician Other Than Requesting Dentist or Physician
A consultation where a patient is referred to another dentist or specialist for a diagnostic opinion. The consulting provider evaluates and reports back but does not take over treatment.