What D6103 means

D6103 covers bone graft for repair of peri-implant defect — does not include flap entry and closure. "D" is dental, "60" places it in the implant services area, and "03" (in this sub-series) is this code. It's placing a BONE GRAFT to repair a bony defect around an existing implant (caused by peri-implantitis). Its descriptor explicitly excludes the flap (access) — that's handled separately. So D6103 is the graft that rebuilds bone in a peri-implant defect, coded apart from the surgical access.

So it's the bone-graft step to rebuild lost bone around an existing implant — the flap and any membrane are coded separately.

When peri-implantitis has destroyed bone around an implant, one treatment strategy is REGENERATIVE — trying to rebuild the lost bone with a graft: the defect — peri-implantitis leaves a bony defect (crater) around the implant where bone used to support it; regeneration goal — placing bone graft material into that defect aims to regenerate bone, restoring support around the implant and improving its prognosis — rebuilding rather than just reshaping; what D6103 is — specifically the BONE GRAFT placed to repair the peri-implant defect around an existing implant (distinct from grafting at the TIME of implant placement, which is D6104); access is separate — importantly, D6103's descriptor does NOT include flap entry and closure; the surgical access (raising/closing the flap) is a separate consideration — typically the debridement-with-flap (D6101 or D6102) provides access, and D6103 is the graft placed into the debrided defect; membranes/biologics separate — placement of a barrier membrane (for guided tissue/bone regeneration) or biologic materials is reported SEPARATELY (e.g., resorbable membrane D6106, non-resorbable D6107), not bundled into D6103; regenerative vs resective — D6103 (graft, regenerative — rebuild bone) contrasts with D6102 (osseous contouring, resective — reshape/reduce bone); combining codes — a regenerative surgery might involve debridement-with-flap (D6101) + bone graft (D6103) + membrane (D6106/D6107), each reported per its rules; and per single implant — reported per single implant. Coverage varies (needs documented peri-implantitis; timing rules possible). This code is in the implant services area. Documentation supports the claim.

When it's typically used

D6103 is reported for placing a bone graft to repair a peri-implant defect around an EXISTING implant (from peri-implantitis) — a regenerative attempt to rebuild lost bone and preserve the implant. Its descriptor excludes flap entry/closure (access is separate, e.g., D6101/D6102), and membranes/biologics (D6106/D6107) are reported separately. It's per-implant. Distinct from grafting at the time of placement (D6104) and from resective contouring (D6102).

How much does D6103 cost?

D6103's cost covers the bone graft material and its placement into a peri-implant defect — but NOT the surgical access (flap, via D6101/D6102) or any membrane/biologic (D6106/D6107), which are separate. So a regenerative peri-implant surgery's total involves several codes. Fees vary with defect size and materials. It's per implant. Coverage varies and may have timing rules. Verify coverage with the relevant plan.

Is D6103 covered by insurance?

Coverage for D6103 varies and typically requires documented peri-implantitis with a graftable defect. Because its descriptor excludes flap access and membranes/biologics, those are billed separately (D6101/D6102 for access; D6106/D6107 for membranes) — accurate multi-code claims matter. Timing rules may apply (early post-placement procedures may not be reimbursed, though still reported). It's per implant. Documentation of the defect and graft supports the claim. Verifying coverage helps.

Rebuilding bone around an existing implant

Grafting to regenerate lost support, and understanding this clarifies the code.

Understanding the regenerative goal clarifies D6103. D6103 is about trying to REBUILD bone that peri-implantitis destroyed around an implant: the defect to fill — peri-implantitis leaves a bony crater around the implant where supporting bone was lost; that defect weakens the implant's foundation; the regenerative idea — instead of accepting the lost bone (resective contouring, D6102), a regenerative approach places bone graft material into the defect, aiming to regenerate new bone that restores support around the implant; the potential payoff — if regeneration succeeds, bone fills back around the implant, improving its stability and long-term prognosis — potentially a better outcome than just reshaping to a lower level; existing implant — crucially, this is grafting around an EXISTING, already-placed implant (treating disease), as opposed to grafting at the time of placing a new implant (D6104) — different timing, different code; decontamination first — for a graft to have a chance, the defect and implant surface must first be thoroughly debrided/decontaminated (the debridement, typically via flap, D6101/D6102) — you can't graft onto contaminated surfaces and expect success; and technique-sensitive — regeneration around implants is challenging and outcomes vary with the defect shape, decontamination, materials, and the patient; contained defects tend to regenerate better than open ones.

So D6103 embodies the 'rebuild it' approach to peri-implant bone loss — grafting to regenerate support for an existing implant. So D6103 grafts to regenerate bone lost to peri-implantitis around an existing implant. Understanding this helps patients see that D6103 is about trying to REBUILD bone that peri-implantitis destroyed around an implant — the defect to fill (peri-implantitis leaving a bony crater around the implant where supporting bone was lost, that defect weakening the implant's foundation), the regenerative idea (instead of accepting the lost bone/resective contouring, D6102 a regenerative approach placing bone graft material into the defect, aiming to regenerate new bone that restores support around the implant), the potential payoff (if regeneration succeeds bone filling back around the implant, improving its stability and long-term prognosis, potentially a better outcome than just reshaping to a lower level), existing implant (crucially this being grafting around an EXISTING already-placed implant/treating disease as opposed to grafting at the time of placing a new implant/D6104, different timing, different code), decontamination first (for a graft to have a chance the defect and implant surface having to first be thoroughly debrided/decontaminated/the debridement, typically via flap, D6101/D6102, not able to graft onto contaminated surfaces and expect success), and technique-sensitive (regeneration around implants being challenging and outcomes varying with the defect shape, decontamination, materials, and the patient, contained defects tending to regenerate better than open ones) — so D6103 embodying the 'rebuild it' approach to peri-implant bone loss.

What's separate: flap and membrane

D6103 is just the graft, and understanding this clarifies the coding.

Understanding the code's boundaries clarifies D6103. A crucial feature of D6103 is what it does NOT include — several parts of a regenerative surgery are coded separately: no flap included — D6103's descriptor explicitly says it does NOT include flap entry and closure; the surgical access (raising and suturing the gum) is not part of this code; access is elsewhere — typically the debridement-WITH-flap codes (D6101 or D6102) provide the surgical access and defect debridement; D6103 is the GRAFT placed into that debrided defect; so a graft surgery often reports the access/debridement code AND D6103; membrane/biologic separate — placement of a barrier membrane (for guided bone/tissue regeneration) or biologic materials is reported SEPARATELY — commonly D6106 (resorbable membrane) or D6107 (non-resorbable membrane); these are NOT bundled into D6103; why unbundled — regenerative procedures combine several components (access, debridement, graft, membrane, biologics); coding each separately lets the claim reflect exactly what was done and the materials used; the assembled claim — a full regenerative peri-implant case might read: D6101 or D6102 (debridement/access ± contouring) + D6103 (graft) + D6106 or D6107 (membrane), each per its own rules; and accuracy matters — knowing that D6103 is JUST the graft (not the flap, not the membrane) is essential to coding these multi-component surgeries correctly.

So D6103 is a component code — the graft itself — deliberately separated from access and membrane codes. So D6103 codes only the graft; the flap (D6101/D6102) and membrane (D6106/D6107) are separate. Understanding this helps patients see that a crucial feature of D6103 is what it does NOT include (several parts of a regenerative surgery coded separately) — no flap included (D6103's descriptor explicitly saying it does NOT include flap entry and closure, the surgical access/raising and suturing the gum not part of this code), access is elsewhere (typically the debridement-WITH-flap codes/D6101 or D6102 providing the surgical access and defect debridement, D6103 being the GRAFT placed into that debrided defect, so a graft surgery often reporting the access/debridement code AND D6103), membrane/biologic separate (placement of a barrier membrane/for guided bone, tissue regeneration or biologic materials reported SEPARATELY, commonly D6106/resorbable membrane or D6107/non-resorbable membrane, these NOT bundled into D6103), why unbundled (regenerative procedures combining several components/access, debridement, graft, membrane, biologics, coding each separately letting the claim reflect exactly what was done and the materials used), the assembled claim (a full regenerative peri-implant case possibly reading: D6101 or D6102/debridement, access ± contouring + D6103/graft + D6106 or D6107/membrane, each per its own rules), and accuracy matters (knowing that D6103 is JUST the graft/not the flap, not the membrane being essential to coding these multi-component surgeries correctly) — so D6103 being a component code (the graft itself) deliberately separated from access and membrane codes.

D6103 vs D6104: repair vs placement-time

Grafting an existing implant vs grafting at placement, and understanding this clarifies the distinction.

Understanding the D6103/D6104 distinction clarifies D6103. Two implant bone-graft codes sound similar but differ by TIMING and purpose: D6103 (this code) — bone graft to REPAIR a peri-implant defect around an EXISTING implant; the implant is already in place and has developed a bony defect (from peri-implantitis); the graft treats that disease-caused defect; it's a TREATMENT/repair graft; D6104 (bone graft at the TIME of implant placement) — bone graft placed WHEN the implant is being placed; here grafting supports a NEW implant at the moment of its placement (e.g., filling a gap, augmenting the site) — a placement-time graft, not a repair of disease; the key difference — existing implant with disease (D6103) vs new implant being placed (D6104); same idea (bone graft near an implant), opposite clinical contexts; why it matters — using the wrong one misrepresents the clinical situation; D6103 signals treating peri-implantitis on an established implant, D6104 signals augmenting at placement; and other graft codes — grafting around natural teeth or edentulous sites has its own codes (e.g., in the periodontics/oral surgery series); D6103/D6104 are specifically implant-associated bone grafts.

So D6103 is the REPAIR-of-existing-implant graft; D6104 is the AT-PLACEMENT graft — distinguished by timing and purpose. So D6103 grafts an existing diseased implant's defect; D6104 grafts at new-implant placement. Understanding this helps patients see that two implant bone-graft codes sound similar but differ by TIMING and purpose — D6103/this code (bone graft to REPAIR a peri-implant defect around an EXISTING implant, the implant already in place and having developed a bony defect/from peri-implantitis, the graft treating that disease-caused defect, a TREATMENT/repair graft), D6104/bone graft at the TIME of implant placement (bone graft placed WHEN the implant is being placed, here grafting supporting a NEW implant at the moment of its placement/e.g., filling a gap, augmenting the site, a placement-time graft not a repair of disease), the key difference (existing implant with disease/D6103 vs new implant being placed/D6104, same idea/bone graft near an implant, opposite clinical contexts), why it matters (using the wrong one misrepresenting the clinical situation, D6103 signaling treating peri-implantitis on an established implant, D6104 signaling augmenting at placement), and other graft codes (grafting around natural teeth or edentulous sites having its own codes/e.g., in the periodontics, oral surgery series, D6103/D6104 being specifically implant-associated bone grafts) — so D6103 being the REPAIR-of-existing-implant graft and D6104 the AT-PLACEMENT graft, distinguished by timing and purpose.

Where D6103 fits in the codes

D6103 is the regenerative graft in the peri-implant ladder, and understanding this clarifies the coding.

Understanding where D6103 sits clarifies the coding. D6103 is among the implant services codes (D6000s), in the peri-implant disease-treatment group — specifically the REGENERATIVE (graft) option: D6081 (non-surgical debridement — mucositis), D6101 (surgical debridement with flap — peri-implantitis), D6102 (debridement + osseous contouring, with flap — RESECTIVE, reshape bone), D6103 (this code — bone GRAFT for the peri-implant defect — REGENERATIVE, rebuild bone; excludes flap; membranes separate). Related: D6104 (graft at implant PLACEMENT — different timing), D6106/D6107 (resorbable/non-resorbable membranes — reported separately). Removal (D6100) is the alternative if the implant can't be saved.

So D6103 is precisely: bone graft to repair a peri-implant defect around an existing implant (regenerative), NOT including flap entry/closure, with membranes/biologics separate. It's distinguished from D6102 (contouring — resective, reshape vs rebuild), from D6101 (debridement only — no graft), from D6104 (graft at placement — different timing/purpose), and from the membrane codes (D6106/D6107 — separate). The provider codes D6103 for the peri-implant repair graft per implant, alongside the access and membrane codes as applicable. So D6103 is the regenerative bone-graft rung of the peri-implant treatment ladder. Understanding this helps patients see that D6103 is among the implant services codes (D6000s) in the peri-implant disease-treatment group, specifically the REGENERATIVE (graft) option — D6081 (non-surgical debridement, mucositis), D6101 (surgical debridement with flap, peri-implantitis), D6102 (debridement + osseous contouring, with flap, RESECTIVE, reshape bone), D6103 (this code, bone GRAFT for the peri-implant defect, REGENERATIVE, rebuild bone, excludes flap, membranes separate) — related being D6104 (graft at implant PLACEMENT, different timing), D6106/D6107 (resorbable/non-resorbable membranes, reported separately), removal/D6100 being the alternative if the implant can't be saved — so D6103 is precisely bone graft to repair a peri-implant defect around an existing implant (regenerative), NOT including flap entry/closure, with membranes/biologics separate, distinguished from D6102 (contouring, resective, reshape vs rebuild), from D6101 (debridement only, no graft), from D6104 (graft at placement, different timing/purpose), and from the membrane codes (D6106/D6107, separate), the provider coding D6103 for the peri-implant repair graft per implant alongside the access and membrane codes as applicable.

Frequently asked questions

What is the D6103 dental code?

It's a bone graft to repair a peri-implant defect — placing graft material into a bony defect around an existing implant (caused by peri-implantitis) to try to regenerate lost bone and preserve the implant. Importantly, its descriptor does NOT include flap entry and closure, and any barrier membrane or biologic materials are reported separately. It's the regenerative counterpart to resective contouring (D6102).

What does the graft do?

It tries to rebuild bone. Peri-implantitis leaves a bony crater around the implant where supporting bone was lost. Placing bone graft material into that defect aims to regenerate new bone, restoring support and improving the implant's prognosis — rebuilding what was lost, rather than just reshaping the remaining bone to a lower level (which is the resective approach, D6102).

Why doesn't D6103 include the flap?

Because the code is specifically the graft itself. The surgical access — raising and closing the gum flap — is coded separately, typically via the debridement-with-flap codes (D6101 or D6102), which also clean and decontaminate the defect first. So a regenerative surgery often reports the access/debridement code AND D6103 (the graft), reflecting each component.

Are membranes included?

No — barrier membranes and biologic materials for guided regeneration are reported separately, commonly D6106 (resorbable membrane) or D6107 (non-resorbable membrane). A full regenerative peri-implant case might involve several codes: debridement/access (D6101 or D6102), the graft (D6103), and a membrane (D6106 or D6107), each billed per its own rules.

How is it different from D6104?

Timing and purpose. D6103 grafts a defect around an EXISTING implant that developed peri-implantitis — a repair/treatment graft. D6104 is a bone graft placed at the TIME a new implant is placed — a placement-time graft, not treating disease. Same idea (bone graft near an implant) but opposite clinical contexts, so they're distinct codes.

Is it covered by insurance?

Coverage varies and usually requires documented peri-implantitis with a graftable defect. Because access (flap) and membranes are billed separately, accurate multi-code claims matter. Timing rules may apply (early post-placement procedures may not be reimbursed, though still reported). It's per implant. Documentation of the defect and graft supports the claim. Verify your coverage.

This page is an independent, plain-language explanation for general information only. It is not billing, coding, or clinical advice. For the official CDT descriptor and current-year wording, refer to the American Dental Association.