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Refusal of periodontal therapy – D4910 vs D1110

June 11, 2026 by bsadler2618

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  • Refusal of periodontal therapy - D4910 vs D1110

Refusal of periodontal therapy – D4910 vs D1110

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I have a patient who is refusing SRP, but the doctor would like to continue treating the patient. D4910 doesn’t apply since the patient has no history of periodontal therapy, but they are receiving more than a routine D1110. Is there an appropriate code that can be submitted to insurance in this situation, or is there an accepted ”in-between” code that would be more appropriate?

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Posted by bsadler2618
Asked on June 11, 2026 9:16 am
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Hi! Per CDT 2026, there is no "in between" code between D1110 and D4341/D4342. D4910 requires previous perio therapy and wouldn't be appropriate to apply in this case. A potential alternative code is D4346, but that code has specific clinical criteria and would not be used simply due to the pt refusing SCRP. If the pt is refusing diagnosed perio treatment, I would highly recommend having this documented in the pt chart.

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Posted by Austinida
Answered on June 11, 2026 10:08 am
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