D0140 — Limited Oral Evaluation (Problem-Focused Exam)
D0140 is the exam used when you come in about one specific problem rather than for a scheduled check-up.
D0140 is the emergency-slot exam. A tooth started throbbing overnight, a filling fell out, a crown came loose, something cracked on a popcorn kernel — you call, you get squeezed in, and the dentist looks at that one thing. The evaluation is deliberately narrow: identify the problem, work out how urgent it is, and decide what happens next, today.
Because it is problem-focused, it is not bound by the twice-a-year rule that governs recall exams. A patient can legitimately have two recall evaluations and a limited evaluation in the same year, and most plans will pay for all three.
What usually happens in the same appointment
A limited exam rarely travels alone. The dentist typically takes one or two periapical images of the tooth in question (D0220, then D0230 for each extra), may run a pulp vitality test (D0460) to work out whether the nerve is still alive, and often performs some immediate treatment — palliative care for pain (D9110), an interim restoration (D2940), or an incision and drainage if there is swelling.
That bundle is the normal shape of an emergency visit bill: a small exam fee, a small imaging fee, and one treatment line. If you see a comprehensive exam fee on an emergency visit instead, it is worth asking why.
How it differs from a check-up
The distinction plans care about is scope. A recall evaluation surveys the whole mouth on a schedule; this code looks at one issue because something prompted it. The documentation that supports it is a chief complaint in the chart — the patient's own words about what is wrong — and a finding that relates to it.
That is also why reporting two exam codes on one date rarely works. From a payer's point of view you cannot simultaneously have had a broad survey and a narrow investigation of the same mouth on the same afternoon.
Questions about D0140
What is D0140 used for?
It is the exam for an unscheduled, problem-focused visit — one tooth, one symptom, one decision about what to do next.
Does D0140 count against my two yearly exams?
Usually not. Most plans track limited evaluations separately from periodic ones, so an emergency visit does not normally consume a recall benefit.
Is D0140 covered by insurance?
Generally yes, at the plan's diagnostic percentage. The more common friction is when D0140 is reported on the same day as a periodic or comprehensive exam, which plans almost always reduce to one.
Can D0140 be billed with a filling on the same day?
Yes. The exam establishes the diagnosis and the restorative code covers the treatment; they are separate services.
What is the difference between D0140 and D0160?
D0160 is a detailed, extensive problem-focused exam for complicated cases and is submitted by report. D0140 is the everyday version for a single straightforward complaint.
Also known as: emergency exam, problem-focused evaluation, toothache visit, urgent dental visit.