D9210 is the CDT code for local anesthetic given on its own, at a visit where no operative or surgical procedure is done.
- When to use: The usual case is a diagnostic injection to find which tooth is causing pain, or a patient numbed for treatment that was stopped before it began.
- When not to use: Anesthetic for a same-day procedure is D9215, a regional block is D9211, and a trigeminal division block is D9212.
- Billing note: Many plans deny local anesthesia even with no procedure, so check whether the EOB shows a bundling adjustment or a non-covered denial before billing the patient.
What D9210 covers
D9210 reports local anesthetic given at a visit where the dentist performs no operative or surgical procedure. The injection is the only clinical service that day.
The usual case is a patient in pain who cannot say which tooth hurts. The dentist anesthetizes one tooth or one area, waits, and asks whether the pain stopped. The answer localizes the problem, and treatment is planned for a later visit.
The code covers localized infiltration. Injections that numb a wider field have their own codes: D9211 for regional block anesthesia and D9212 for a trigeminal division block, which anesthetizes a whole division of the nerve rather than one tooth or a small area.
The distinguishing axis: was a procedure done that day?
- D9210 is local anesthesia not in conjunction with an operative or surgical procedure. Nothing else was treated.
- D9215 is local anesthesia in conjunction with an operative or surgical procedure. The anesthetic supported treatment the dentist performed the same day.
The technique, the number of carpules, the anesthetic chosen, and how long the patient stayed numb do not decide between these two. A single infiltration before a one-surface composite is D9215. The same infiltration given to find a painful tooth, with no treatment that day, is D9210. Technique matters only in sending a wider injection to D9211 or D9212.
In the PMS, label D9210 and D9215 by this axis, such as “local anesthesia, no procedure” and “local anesthesia with procedure.” Two entries that both read “local anesthesia” get chosen at random.
Why local anesthesia usually gets bundled
Most carriers do not pay for local anesthesia separately. Published payer policies routinely state that anesthesia is inclusive to any operative or surgical procedure and is not separately reimbursable, because the fee for a filling, a crown prep, or an extraction already includes the cost of numbing the patient.
That policy hits D9215 hardest, since D9215 always sits next to a procedure. It reaches D9210 as well, because many plans carry no benefit for anesthesia in any form.
This is plan-dependent, not a universal rule. Some benefit plans and some state Medicaid programs allow an anesthesia line under narrow conditions, and a few pay it at a nominal amount. Read the specific plan’s policy before deciding what to expect.
Decide whether the practice tracks anesthesia at zero or at fee and apply it consistently. A full fee on a line the plan bundles inflates production reports and confuses treatment estimates.
When to bill D9210, and when not to
Bill D9210 when the dentist administers local anesthetic and performs no operative or surgical procedure at that visit:
- A diagnostic injection to localize pain when the source tooth is unclear from the exam and the radiographs.
- A patient anesthetized for planned treatment that is stopped before the procedure begins.
Do not bill D9210 for:
- Anesthetic given for a procedure done the same day. That is D9215.
- A regional block (D9211) or a trigeminal division block (D9212).
- Nitrous oxide, which is D9230, or any level of sedation, including D9222 for deep sedation and general anesthesia and D9244 and D9245 for enteral sedation.
- A therapeutic drug injection such as an antibiotic or a steroid, which is D9610 for a single administration. A long-acting anesthetic infiltrated for post-operative pain control is D9613, a different service from anesthesia given to numb for treatment.
- The pain relief itself at an emergency visit. Palliative treatment is D9110, and the exam that goes with it is D0140.
Documentation that supports the claim
A D9210 claim asks the carrier to accept that an injection happened and nothing else did. Record:
- Why the anesthetic was given, in clinical terms. For a diagnostic injection, note the symptom, the differential, and the tooth or area being tested.
- What was administered: the agent, concentration, amount, and site or technique.
- The result, particularly for a diagnostic injection. Whether the pain resolved is the finding the visit was for, and the strongest evidence the injection was diagnostic rather than incidental.
- That no operative or surgical procedure was performed, and the plan for the follow-up visit.
A note template with these fields gets them recorded every time, which is what makes the rare D9210 appeal winnable.
An exam or radiographs on the same day are billed under their own codes. They do not change the anesthesia code, but a claim showing an exam, films, and an anesthetic with no treatment reads coherently to a reviewer. For how the anesthesia line fits into the rest of the claim, see the ADA dental claim form guide.
FAQs
- What is the dental code for local anesthesia?
- There are two, depending on what else happened at the visit. D9210 reports local anesthetic given when no operative or surgical procedure is performed that day, and D9215 reports local anesthetic given as part of one. Neither is usually paid separately: carriers treat anesthetic as part of the procedure fee, so D9215 is almost always bundled and D9210 is often denied too. D9211 (regional block) and D9212 (trigeminal division block) cover deeper injections.
- Why was D9210 denied?
- Usually because the plan considers local anesthesia inclusive to treatment. Many plans carry no benefit for anesthesia on its own, so they deny it even on a no-procedure visit. Check whether the denial is a bundling adjustment, where the fee is already inside another paid line and cannot be charged to the patient, or a non-covered denial, where the contract may allow you to bill the patient. The contract controls that, and it varies.
- What is the difference between D9210 and D9215?
- Whether an operative or surgical procedure was done at the same visit. D9210 is the anesthetic alone with nothing else treated; D9215 is the anesthetic supporting a same-day procedure such as a filling or an extraction. The injection technique, the number of carpules, and the anesthetic used do not decide it. Billing D9210 on a day that also carries a restoration or an extraction is the mismatch carriers catch first.
- Can you bill for local anesthesia separately from a filling or extraction?
- As a rule, no. Carrier policy commonly treats local anesthesia as inclusive to any operative or surgical procedure, so a filling, a crown prep, or an extraction already carries the anesthetic in its fee. Some practices still report D9215 for tracking and expect it to zero out. A bundled line cannot become patient balance unless the participating-provider agreement says otherwise, so read the contract before posting anything to the patient.
- When can you bill D9210 by itself?
- When the dentist gives an anesthetic and performs no operative or surgical procedure at that visit. The usual case is a diagnostic injection for a patient in pain when the source tooth is not obvious; another is a patient numbed for planned treatment that is stopped before it starts. The chart has to show why the anesthetic was given and that no procedure followed. If you also treated something that day, the anesthetic belongs to that procedure and D9210 is the wrong code.
- Is D9210 still a valid CDT code in 2026?
- Yes. D9210 is active in CDT 2026 and unchanged, as are D9211, D9212, and D9215. The sedation codes around it did change: D9248 for non-intravenous conscious sedation was deleted after December 31, 2025 and replaced by D9244, D9245, D9246, and D9247, and D9224 and D9225 were added for general anesthesia with an advanced airway.
Related codes
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CDT codes are maintained by the American Dental Association. This page is an editorial billing guide, not the official ADA code descriptor. Verify current coverage policies with each carrier before submitting claims.