What should the D0270 chart note include?
Pick your PMS to format the placeholders, then copy.
Bitewing radiograph - single image. RMH: Medical history reviewed/updates Image order/necessity: Clinical signs/symptoms/risk factors supporting image Patient consent/radiation discussion: Benefits/risks reviewed and consent Image quality: Diagnostic quality or retake reason Interpretation: Findings or no significant findings Image labels/storage: Patient/date/tooth or area labels; linked to note/claim if needed Indication: Indication/diagnosis Area: Area Reason: Reason Technique: Technique Digital sensor. Image diagnostic quality. Radiographic Findings: Radiographic findings Interproximal caries: Interproximal caries Existing restorations: Existing restorations Overhangs: Overhangs Open margins: Open margins Bone levels: Bone levels Calculus: Calculus Other: Other Findings reviewed with patient. NV: Next visit
What documentation is required for D0270?
Radiographic codes are commonly underdocumented. The strong version of a D0270 note explains why one image was needed, what was captured, and what was found — not just "BW taken." A defensible note includes:
- Clinical indication — the symptom, finding, or recall need that justified imaging today (e.g., "child with closed contacts only on lower right; no contacts elsewhere," "monitor incipient mesial #14," "post-op #19 to verify margin")
- ALARA / radiation justification — why a single image was sufficient versus a set; this is the documentation that answers a peer reviewer asking "why not 4 images, or why any image at all?"
- Patient consent and dose discussion — benefits/risks of radiation, lead apron/thyroid collar use; for pediatric or pregnant patients, document the conversation explicitly
- Area / quadrant imaged — left or right, maxillary or mandibular, or specific tooth numbers
- Technique — receptor type (digital sensor, PSP plate, film), positioning aid (BW tab, Rinn XCP), kVp/mA if your system records it
- Diagnostic quality statement — explicit "image of diagnostic quality" or, if a retake was needed, the reason and that the original was discarded/marked nondiagnostic
- Interpretation — caries, existing restorations, overhangs, open margins, crestal bone level, calculus, other findings; not just "WNL" by default
- Image labeled and stored — date, patient identifier, tooth/area, linked to the chart and (when applicable) attached to the claim
- Linkage to diagnosis or treatment plan — the image findings should feed into a diagnosis or planning decision; a radiograph "taken" but never interpreted is an audit liability
- Operator initials / provider signature
The book principle worth restating: do not leave default findings as facts. "Bone levels WNL" without actually evaluating them is a documentation defect. Replace placeholder text with the actual interpretation each time.
Why does D0270 get denied?
The most common reasons D0270 is denied or audited:
- Bundled into D0210 (FMX) on same DOS. The most frequent denial. If an FMX was exposed today, the bitewings within the FMX are not separately payable.
- Bundled into a higher-quantity BW code when D0270 was billed alongside D0272/D0274 on the same date (only the higher-image code pays).
- Frequency exceeded — the carrier sees a prior bitewing series within the lookback window. Common when the patient had a recent FMX (which carries a long lookback for re-bills).
- No documented indication or ALARA justification — particularly for adult D0270 when D0274 is the customary recall image. Carriers and auditors flag the pattern of routinely billing D0270 in lieu of a 4-BW series.
- Insufficient interpretation — note shows "BW taken" with no findings or diagnosis. Carriers requesting documentation expect the interpretation, not just the exposure.
- Missing operator/provider attribution.
- Image not retained or not retrievable — carrier audits commonly request the actual image; inability to produce it is grounds for recoupment.
- Wrong code for what was captured. If two images were taken (one each side), D0270 under-reports — D0272 is correct. Conversely, billing D0274 when only one was actually exposed is a misrepresentation.
- Pediatric down-coding — some carriers automatically convert any pediatric D0270/D0272/D0274 to a single allowance based on the child's age and posterior eruption pattern.
- Same-day duplicate — two D0270 line items billed for the same DOS; D0272 is the correct submission for two BWs.
What do practices ask about D0270?
When should I bill D0270 instead of D0272 or D0274?+
Bill D0270 only when exactly one bitewing image was exposed and stored. The most defensible scenarios are pediatric or mixed-dentition patients with closed posterior contacts on only one side, targeted single-area rechecks (e.g., monitoring an incipient lesion or post-op margin), or arches with extensive posterior tooth loss where only one side has imageable contacts. If two images were taken, D0272 is correct; if four, D0274. Billing D0270 routinely in place of D0274 for adult recall is a known audit pattern.
Can D0270 be billed on the same day as D0210 (FMX)?+
Almost never reimbursably. D0210 includes bitewings as part of the full mouth series, and virtually all carriers bundle D0270/D0272/D0274/D0277 into D0210 on the same date of service. Billing both lines will result in the BW code being denied as bundled. The same-day rule extends across most carrier policies — submit only D0210 when an FMX is the imaging captured.
How often does insurance cover bitewings?+
The industry norm for adults is one bitewing series every 12 months. Pediatric frequency varies from every 6 to every 12 months depending on caries risk and AAPD periodicity. Carriers count D0270/D0272/D0273/D0274/D0277 against the same per-period allowance — billing D0270 today consumes the patient's bitewing benefit for that period. Some plans also share frequency with D0210 (FMX) under a long lookback (36–60 months).
Does AAPD recommend a single bitewing for children?+
AAPD's prescribing guidelines (jointly with the ADA) tie radiographic frequency to caries risk and dentition stage. For children with no closed posterior contacts, no radiographs are typically indicated. Once posterior contacts close — which often happens unilaterally first — a single bitewing on the side with closed contacts is the ALARA-appropriate image, and that's exactly the use case for D0270. Frequency for high-risk pediatric patients is every 6 months until no caries are evident, then every 12–24 months.
What documentation does a D0270 chart note need?+
Beyond the exposure itself: the clinical indication (why imaging was needed today), the ALARA justification for a single image versus a set, patient/parent consent and radiation discussion, area imaged, technique and receptor type, an explicit diagnostic-quality statement (or retake reason), full interpretation of findings (caries, restorations, bone levels, calculus, overhangs, open margins, other), and image labeling/storage. The image should be retrievable on audit; an exposure with no interpretation in the chart is an audit liability.
Can I bill D0270 twice in one visit if I took one BW on each side?+
No. Two bitewing images on the same date of service is D0272. Carriers will deny duplicate D0270 lines on the same DOS or pay only one. Always pick the BW code that matches the total image count actually exposed and stored.
Will Medicaid or an MCO downgrade D0270?+
Down-coding is plan-specific. Some Medicaid MCOs (DentaQuest, Envolve, Liberty Dental) reimburse D0270 on its own merits when documentation supports a single-image scenario, but they may also automatically pay only one BW code per DOS regardless of how many lines are submitted. Several MCOs require ALARA documentation in the chart when fewer than the standard pediatric set is taken — which is paradoxically the same documentation that defends the single-image choice.