D7993 is the CDT code for the surgical placement of a craniofacial implant — extra-oral — surgically placing an implant (anchor) into the craniofacial bone (the bones of the skull/face), positioned to exit outside the mouth (extra-oral), to support and retain a facial prosthesis. Unlike a dental implant (which supports teeth inside the mouth), a craniofacial implant anchors a prosthetic facial structure — such as a prosthetic ear, eye/orbit, or nose — used to reconstruct facial features lost to trauma, cancer surgery, or congenital absence.
What D7993 means
D7993 covers the surgical placement of a craniofacial implant — extra-oral. "D" is dental, "79" is this oral surgery area, and "93" is this craniofacial implant placement. A 'craniofacial implant' is an implant (typically a small titanium anchor, like an osseointegrated implant) placed into the bones of the skull/face (craniofacial bones). 'Extra-oral' means it's positioned to exit outside the mouth — on the face/skull surface (as opposed to inside the mouth) — to support a facial prosthesis. So D7993 is placing a bone-anchored implant in the facial/skull bone to retain an external facial prosthesis.
So it's surgically anchoring an implant in the craniofacial bone, exiting on the face, to hold a prosthetic facial structure (like an ear or nose).
When a person is missing a facial structure — for example an ear (auricle), an eye/orbit, or a nose — due to trauma, surgical removal (e.g., for cancer), or a congenital condition (born without it), a facial (maxillofacial) prosthesis can be made to restore the appearance of that structure. To hold the prosthesis securely in place, craniofacial implants are surgically placed into the underlying facial/skull bone; the prosthesis then attaches to these implants (via magnets, clips, or bars) — anchoring it firmly (much more securely than adhesive alone). D7993 covers the surgical placement of such an extra-oral craniofacial implant. Common applications include: auricular (ear) prostheses — implants in the temporal bone to hold a prosthetic ear (e.g., after trauma, cancer, or for microtia — a congenitally underdeveloped ear); orbital (eye/socket) prostheses — implants around the orbit to hold a prosthetic eye/orbital structure (e.g., after eye/orbit removal for cancer); and nasal prostheses — implants to hold a prosthetic nose (e.g., after rhinectomy for cancer). The implant osseointegrates (fuses with the bone) over a healing period, then the prosthesis is attached. It's performed by an oral and maxillofacial surgeon (often with a maxillofacial prosthodontist/anaplastologist who makes the prosthesis). These are reconstructive procedures (restoring form after disfiguring loss), so medical coverage applies. This code is in the oral surgery area (D7900-D7999). Documentation supports the claim.
When it's typically used
D7993 is reported for surgically placing a craniofacial implant — extra-oral — a bone-anchored implant in the facial/skull bone, exiting outside the mouth, to support and retain a facial prosthesis (e.g., a prosthetic ear, eye/orbit, or nose). It's used when a facial structure is missing (from trauma, cancer surgery, or a congenital condition) and a prosthesis is being anchored to restore it.
How much does D7993 cost?
A craniofacial implant placement's cost reflects the surgical procedure (placing the bone-anchored implant) and is part of a larger reconstructive process (which also includes making and attaching the prosthesis, separate costs). Multiple implants may be placed. As a reconstructive procedure following disfiguring loss, medical coverage generally applies. The specifics are documented. Verify your specific coverage.
Is D7993 covered by insurance?
Craniofacial implant placement is a reconstructive procedure (restoring a facial structure lost to trauma, cancer, or a congenital condition), so it's generally covered under medical benefits (this is reconstructive/maxillofacial care). Documentation of the missing structure, the cause, the reconstructive plan, and the medical necessity supports the claim. It often involves a team (surgeon + maxillofacial prosthodontist). Preauthorization is common. Verifying coverage helps.
Anchoring a facial prosthesis
The implant holds a prosthetic facial structure, and understanding this clarifies the code.
Understanding the purpose clarifies D7993. When someone is missing a facial feature — an ear, an eye/orbit, a nose, or other structure — a facial (maxillofacial) prosthesis can recreate the look of that feature (a custom-made, lifelike prosthetic ear, nose, etc., color-matched to the skin). The challenge is holding the prosthesis securely and naturally in place. Two main approaches exist: adhesive-retained — the prosthesis is glued on with skin adhesive (simpler, but can be less secure, and the adhesive has downsides); and implant-retained — craniofacial implants are surgically placed into the bone, and the prosthesis attaches to them (via magnets, clips, or a bar) — providing firm, reliable retention (the prosthesis snaps securely into place and stays put). D7993 is the surgical placement of these implants for the implant-retained approach.
The extra-oral craniofacial implant works on the same principle as a dental implant (osseointegration — the titanium implant fuses with the bone), but instead of holding a tooth inside the mouth, it holds a facial prosthesis outside the mouth. So the implant provides a stable anchor for the prosthesis, dramatically improving its security, function, and the patient's confidence (vs adhesive alone). So D7993 anchors a facial prosthesis. Understanding this helps patients see that when someone is missing a facial feature (an ear, eye/orbit, nose, or other structure) a facial/maxillofacial prosthesis can recreate the look of that feature (a custom-made, lifelike prosthetic ear, nose, etc., color-matched to the skin), the challenge being holding the prosthesis securely and naturally in place — two main approaches existing: adhesive-retained (the prosthesis glued on with skin adhesive, simpler but less secure, the adhesive having downsides) and implant-retained (craniofacial implants surgically placed into the bone, the prosthesis attaching via magnets, clips, or a bar, providing firm reliable retention so it snaps securely into place and stays put) — D7993 being the surgical placement of these implants for the implant-retained approach, the extra-oral craniofacial implant working on the same principle as a dental implant (osseointegration, the titanium implant fusing with the bone) but holding a facial prosthesis outside the mouth rather than a tooth inside it, providing a stable anchor that dramatically improves the prosthesis's security, function, and the patient's confidence.
When facial structures are missing
Trauma, cancer, or congenital absence create the need, and understanding this clarifies the indications.
Understanding the indications clarifies D7993. Craniofacial implants for facial prostheses are used when a facial structure is absent and needs prosthetic reconstruction — the structure may be missing due to: trauma — an injury (e.g., an accident) that destroys or requires removal of a facial structure (like an ear or nose); cancer/surgery — surgical removal of a facial structure to treat cancer (e.g., removal of the ear/auricle, the eye and orbit/orbital exenteration, or the nose/rhinectomy for skin or other cancers) — leaving a defect that a prosthesis restores; and congenital conditions — being born without or with a severely underdeveloped structure (e.g., microtia — an underdeveloped/absent external ear; or other congenital facial differences). The structures commonly reconstructed this way include: the ear (auricular prosthesis) — perhaps the most common, with implants in the temporal bone; the eye/orbit (orbital prosthesis) — a prosthesis recreating the eye and surrounding tissues after orbital removal; and the nose (nasal prosthesis) — after partial/total nose removal.
In these situations, an implant-retained facial prosthesis offers a reconstruction option — particularly valuable when surgical reconstruction (using the patient's own tissue) isn't feasible or preferred, or to provide a removable, lifelike prosthesis. The implants (D7993) make this secure prosthetic reconstruction possible. So missing facial structures from trauma, cancer, or congenital causes create the need. Understanding this helps patients see that craniofacial implants for facial prostheses are used when a facial structure is absent and needs prosthetic reconstruction — the structure missing due to trauma (an injury such as an accident destroying or requiring removal of a facial structure like an ear or nose), cancer/surgery (surgical removal of a facial structure to treat cancer, e.g., removal of the ear/auricle, the eye and orbit/orbital exenteration, or the nose/rhinectomy for skin or other cancers, leaving a defect a prosthesis restores), and congenital conditions (being born without or with a severely underdeveloped structure, e.g., microtia/an underdeveloped or absent external ear, or other congenital facial differences) — the structures commonly reconstructed this way including the ear (auricular prosthesis, perhaps the most common, with implants in the temporal bone), the eye/orbit (orbital prosthesis recreating the eye and surrounding tissues after orbital removal), and the nose (nasal prosthesis after partial/total nose removal) — so in these situations an implant-retained facial prosthesis offers a reconstruction option (particularly valuable when surgical reconstruction using the patient's own tissue isn't feasible or preferred, or to provide a removable lifelike prosthesis), the implants making this secure prosthetic reconstruction possible.
Extra-oral vs intra-oral (dental) implants
These exit outside the mouth for facial prostheses, and understanding this clarifies the distinction.
Understanding the extra-oral distinction clarifies D7993. The word 'extra-oral' (outside the mouth) is key — it distinguishes craniofacial implants from the dental implants placed inside the mouth: intra-oral (dental) implants — placed in the jawbone (maxilla/mandible) inside the mouth, exiting through the gum, to support teeth/dental prostheses (crowns, bridges, dentures) — these are the familiar dental implants (coded in the D6000 implant series); and extra-oral (craniofacial) implants (D7993) — placed in the skull/facial bones (e.g., temporal bone for an ear, bone around the orbit, etc.), exiting on the face/skull surface outside the mouth, to support a facial prosthesis (ear, eye, nose).
So while both are osseointegrated bone implants, they serve completely different purposes — dental implants restore teeth (chewing/the dental function), craniofacial extra-oral implants restore facial appearance/structures. D7993 specifically is for the extra-oral, facial-prosthesis type. (Note: the related code D7994, a zygomatic implant, is a different concept — that one is for supporting a dental prosthesis using the cheekbone, intra-orally — see that code.) The extra-oral placement, the facial location, and the facial-prosthesis purpose define D7993. So extra-oral craniofacial implants differ from dental implants. Understanding this helps patients see that 'extra-oral' (outside the mouth) is key, distinguishing craniofacial implants from the dental implants placed inside the mouth — intra-oral/dental implants (placed in the jawbone/maxilla or mandible inside the mouth, exiting through the gum, to support teeth/dental prostheses like crowns, bridges, dentures, the familiar dental implants coded in the D6000 series) and extra-oral/craniofacial implants (D7993, placed in the skull/facial bones such as the temporal bone for an ear or bone around the orbit, exiting on the face/skull surface outside the mouth, to support a facial prosthesis — ear, eye, nose) — so while both are osseointegrated bone implants they serve completely different purposes (dental implants restoring teeth/the chewing function, craniofacial extra-oral implants restoring facial appearance/structures), D7993 specifically being for the extra-oral facial-prosthesis type (the related code D7994, a zygomatic implant, being a different concept for supporting a dental prosthesis using the cheekbone intra-orally), the extra-oral placement, facial location, and facial-prosthesis purpose defining D7993.
Where D7993 fits in the codes
D7993 is among the implant/graft codes, and understanding this clarifies the coding.
Understanding where D7993 sits clarifies the coding. D7993 is among the later oral surgery codes (in the D7900s), in the implant/graft/reconstruction codes for the facial bones: surgical placement of craniofacial implant — extra-oral (D7993, this code) — a facial-prosthesis implant; surgical placement: zygomatic implant (D7994) — an implant in the cheekbone (for a dental prosthesis); synthetic graft, mandible/facial bones (D7995); and implant — mandible for augmentation, excluding alveolar ridge (D7996). So D7993 is the extra-oral craniofacial (facial-prosthesis) implant among these.
It's distinct from the dental implant codes (the D6000 series, which are intra-oral implants for teeth) — D7993 is for an extra-oral implant supporting a facial prosthesis (a maxillofacial reconstruction context). It typically works alongside the maxillofacial prosthetic codes (in the D5900s, for the facial/maxillofacial prostheses the implants support). The surgeon codes D7993 for placing the extra-oral craniofacial implant(s). So D7993 is the craniofacial (facial-prosthesis) implant among the oral surgery codes. Understanding this helps patients see that D7993 is among the later oral surgery codes (in the D7900s), in the implant/graft/reconstruction codes for the facial bones — surgical placement of craniofacial implant, extra-oral (D7993, this code, a facial-prosthesis implant), surgical placement: zygomatic implant (D7994, an implant in the cheekbone for a dental prosthesis), synthetic graft, mandible/facial bones (D7995), and implant, mandible for augmentation, excluding alveolar ridge (D7996) — so D7993 is the extra-oral craniofacial (facial-prosthesis) implant among these, distinct from the dental implant codes (the D6000 series, intra-oral implants for teeth) by being for an extra-oral implant supporting a facial prosthesis (a maxillofacial reconstruction context), typically working alongside the maxillofacial prosthetic codes (in the D5900s, for the facial/maxillofacial prostheses the implants support), coded for placing the extra-oral craniofacial implant(s).
Frequently asked questions
- What is the D7993 dental code?
- It's the surgical placement of a craniofacial implant — extra-oral — surgically placing a bone-anchored implant in the facial/skull bone, exiting outside the mouth, to support and retain a facial prosthesis (such as a prosthetic ear, eye/orbit, or nose). It's used to reconstruct a facial structure lost to trauma, cancer surgery, or a congenital condition.
- What is a craniofacial implant?
- A small (usually titanium) implant placed into the bones of the skull/face that osseointegrates (fuses with the bone), used to anchor a facial prosthesis. It works like a dental implant but, instead of holding a tooth inside the mouth, it holds a prosthetic facial structure (ear, eye, nose) outside the mouth — hence 'extra-oral.'
- What is it used for?
- To securely anchor a facial (maxillofacial) prosthesis when a facial structure is missing — most commonly a prosthetic ear (implants in the temporal bone), a prosthetic eye/orbit (after orbital removal), or a prosthetic nose (after nose removal). The implant-retained prosthesis snaps firmly into place (via magnets/clips/a bar), far more securely than adhesive alone.
- Why would someone need this?
- Because a facial structure is absent — from trauma (an injury destroying or requiring removal of an ear/nose), cancer surgery (removal of the ear, eye/orbit, or nose to treat cancer), or a congenital condition (e.g., microtia, an underdeveloped/absent external ear). A prosthesis restores the appearance, and craniofacial implants hold it securely.
- How is it different from a dental implant?
- Both are osseointegrated bone implants, but dental implants are intra-oral (in the jawbone, inside the mouth) and support teeth, while craniofacial implants (D7993) are extra-oral (in the skull/facial bones, outside the mouth) and support a facial prosthesis (ear, eye, nose). Different location, different purpose — facial reconstruction vs replacing teeth.
- Is it covered by insurance?
- Generally yes, under medical benefits — it's a reconstructive procedure restoring a facial structure lost to trauma, cancer, or a congenital condition (reconstructive/maxillofacial care, not cosmetic in this context). Documentation of the missing structure, cause, and reconstructive plan supports the claim; preauthorization is common. It's part of a team process (surgeon + prosthodontist). 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.