D7413

Excision of malignant lesion — up to 1.25 cm

Code Summary

D7413 is the CDT code for the excision of a malignant lesion up to 1.25 cm — surgically removing a malignant (cancerous) lesion in the oral cavity measuring up to 1.25 cm in diameter. It's used when a confirmed or suspected oral cancer (a small malignant lesion) is excised — a more serious situation than a benign lesion (D7410), typically involving careful removal with margins, pathology, and often coordination with broader cancer care and medical insurance.

What D7413 means

D7413 covers the excision of a malignant lesion up to 1.25 cm. "D" is dental, "74" is this oral surgery group, and "13" is this small malignant lesion excision. A malignant lesion is a cancerous one — malignant (cancer) tissue, which (unlike benign tissue) can invade surrounding tissue and potentially spread (metastasize) to other parts of the body. Oral malignancies (oral cancers) include squamous cell carcinoma (the most common oral cancer) and others. Excision is the surgical removal of the lesion. D7413 is for excising a malignant lesion that is up to 1.25 cm in diameter (a relatively small malignant lesion). So when a small (up to 1.25 cm) malignant (cancerous) oral lesion is excised, D7413 reports this.

So it's surgically removing a small (up to 1.25 cm) malignant (cancerous) lesion from the oral tissue — a more serious procedure than a benign excision.

Malignant lesions are a serious matter — oral cancer requires careful, often comprehensive treatment. Excising a malignant lesion involves removing it with appropriate margins (a margin of normal tissue around the cancer, to ensure complete removal — important for cancer, to reduce the chance of leaving cancer cells behind), and the tissue is examined by pathology (critical — to confirm the diagnosis, the type and grade of cancer, and whether the margins are clear). The management of oral cancer is typically more comprehensive than just the excision — it may involve a cancer care team (oral surgeon/head-and-neck surgeon, oncologists), additional treatment (depending on the cancer — possibly further surgery, radiation, chemotherapy), evaluation for spread (e.g., to lymph nodes), and ongoing follow-up. D7413 is specifically the excision of a small malignant lesion; the malignant codes are D7413 (up to 1.25 cm), D7414 (greater than 1.25 cm), and D7415 (complicated). These parallel the benign codes (D7410/D7411/D7412) but for malignant lesions (a separate, more serious category). Coverage typically involves medical insurance (cancer care is a medical matter), often more than dental. Documentation and the comprehensive cancer-care context apply.

When it's typically used

D7413 is reported for excising a malignant (cancerous) lesion up to 1.25 cm in diameter — surgically removing a small oral cancer with appropriate margins, with pathology examination. It's a serious procedure (oral cancer), typically part of comprehensive cancer care, distinguished by the malignant nature from the benign codes (D7410) and by size from the larger (D7414) and complicated (D7415) malignant excisions.

How much does D7413 cost?

Excision of a small malignant lesion is a moderate-to-significant fee, often roughly 400 to 1,000+ USD for the excision itself depending on region and complexity — but oral cancer care is typically much more comprehensive (involving evaluation, possibly additional surgery, and other treatments), with the overall cost far exceeding the excision alone. The pathology is critical (separate fee). Medical insurance is typically the primary coverage for cancer care. This is a sensitive medical topic — anyone facing an oral cancer diagnosis should work closely with their cancer care team.

Is D7413 covered by insurance?

Typically involves medical insurance (oral cancer care is a medical matter, usually covered primarily by medical insurance rather than dental). Documentation of the malignant lesion (the diagnosis, size up to 1.25 cm, the excision with margins) and coordination with the cancer care team apply. The pathology examination is critical (confirming the diagnosis and margins). It's distinguished from the benign excisions (D7410+) and the larger/complicated malignant ones (D7414/D7415). Cancer care involves comprehensive coverage considerations; verifying with both medical and the care team is important.

What a malignant lesion is

A malignant lesion is a cancerous growth, and understanding it clarifies this serious procedure.

A malignant lesion is a cancerous lesion — malignant (cancer) tissue. Unlike a benign lesion (non-cancerous, localized, non-invasive), a malignant lesion is cancer: it can invade the surrounding tissue (growing into and destroying nearby structures) and potentially metastasize (spread to other parts of the body, e.g., to lymph nodes or distant organs). This invasive, potentially spreading nature is what makes cancer serious. In the oral cavity, malignant lesions (oral cancers) include squamous cell carcinoma (by far the most common oral cancer, arising from the lining of the mouth) and other, less common types. Oral cancer can appear in various ways (a non-healing ulcer, a lump, a red or white patch, etc.) and is often related to risk factors (tobacco, alcohol, HPV, sun exposure for lip cancer, etc.).

Because a malignant lesion is cancer, it's a serious health matter requiring appropriate diagnosis and treatment. Oral cancer is typically diagnosed via a biopsy (examining a sample — establishing it's malignant and the type) and then treated (which may include excision and other modalities). D7413 is for the excision of a small (up to 1.25 cm) malignant lesion — part of the surgical treatment of the cancer. This is a fundamentally more serious situation than a benign lesion. Given the seriousness, oral cancer is managed by appropriate specialists (oral/maxillofacial or head-and-neck surgeons, oncologists) as part of comprehensive care. This page provides general information; this is a sensitive medical topic, and anyone dealing with an oral cancer diagnosis should work closely with their cancer care team for guidance specific to their situation. For patients, understanding what a malignant lesion is — a cancerous growth — clarifies this serious procedure. It's cancer. Specialists manage it comprehensively. Understanding this helps patients see that a malignant lesion is a cancerous lesion (cancer tissue) — which, unlike a benign lesion, can invade surrounding tissue and potentially spread (metastasize), making it a serious health matter — with oral cancers (like squamous cell carcinoma, the most common) requiring appropriate diagnosis (biopsy) and comprehensive treatment by specialists, and D7413 being the excision of a small (up to 1.25 cm) malignant lesion as part of that care, a fundamentally more serious situation than a benign lesion (and a sensitive topic best managed with a cancer care team).

Excising a malignant lesion — margins and care

Excising a malignant lesion involves margins and comprehensive care, and understanding this clarifies its seriousness.

Excising a malignant lesion (D7413) is more involved and serious than a benign excision — because of the need for clear margins and the broader cancer-care context. Key aspects: excision with margins — when removing a cancer, the surgeon removes the lesion along with a margin of surrounding normal-appearing tissue (a 'safety margin'), aiming to remove all the cancer (including any microscopic extension into nearby tissue) — clear margins (no cancer at the edges of the removed tissue) are important to reduce the chance of the cancer recurring; critical pathology — the excised tissue is examined by pathology, which is critical: confirming the diagnosis (the type and grade of cancer), and assessing the margins (whether they're clear — if cancer is at a margin, more tissue/treatment may be needed); evaluation for spread — oral cancer care includes evaluating whether the cancer has spread (e.g., to nearby lymph nodes) — which may involve imaging or other procedures (and affects the overall treatment); and comprehensive treatment — the excision is often part of a broader treatment plan (which, depending on the cancer's stage and type, may include further surgery, radiation therapy, chemotherapy, and reconstruction) managed by a cancer care team. So excising a malignancy is part of comprehensive, careful cancer treatment.

This comprehensive context is why malignant lesion care is fundamentally more involved than benign lesion removal — it's cancer treatment, with the goals of removing all the cancer and preventing recurrence/spread, coordinated across specialists. D7413 (the excision of a small malignancy) is one component. The cancer care team manages the overall treatment. For patients, understanding that excising a malignant lesion involves margins and comprehensive care — careful cancer treatment — clarifies its seriousness. It's serious cancer care. The team manages it. Understanding this helps patients see that excising a malignant lesion (D7413) is more involved and serious than a benign excision — removing the lesion with a margin of surrounding tissue (to remove all the cancer and achieve clear margins, reducing recurrence risk), with a critical pathology examination (confirming the cancer type/grade and assessing the margins), evaluation for spread (e.g., to lymph nodes), and often a broader treatment plan (possibly further surgery, radiation, or chemotherapy) managed by a cancer care team — so it's part of comprehensive, careful cancer treatment, with the excision being one component of the overall care.

Malignant vs benign excision codes

The malignant and benign excision codes are separate, and understanding this clarifies the coding.

The lesion excision codes are divided into benign and malignant categories — and understanding this clarifies the coding. The two parallel sets: Benign lesion excisions: D7410 (up to 1.25 cm), D7411 (greater than 1.25 cm), D7412 (complicated). Malignant lesion excisions: D7413 (up to 1.25 cm — this code), D7414 (greater than 1.25 cm), D7415 (complicated). So the structure parallels (by size and complexity), but the fundamental division is the benign vs malignant nature. The malignant codes (D7413-D7415) are for cancerous lesions — a more serious category than the benign codes. D7413 specifically is the small (up to 1.25 cm) malignant excision.

The nature (benign vs malignant) determines which set of codes applies — and this is based on the diagnosis (typically established by biopsy/pathology). A confirmed (or strongly suspected, then confirmed) malignancy uses the malignant codes (D7413+); a benign lesion uses the benign codes (D7410+). The seriousness difference is significant: the malignant codes reflect cancer surgery (with the margins, pathology, and broader care discussed), versus the benign codes for non-cancerous growths. (There are also separate codes for malignant TUMORS — D7440/D7441 — for excision of a malignant tumor, and radical resection D7490, for more extensive cancer surgery; the D7413-D7415 codes are for malignant 'lesions.') Beyond dental coding, oral cancer care is largely a medical matter (medical insurance, oncology care). So the codes reflect the benign vs malignant distinction, with D7413 the small malignant excision. The care team codes/bills appropriately within the cancer care. For patients, understanding that the malignant and benign excision codes are separate clarifies the coding. D7413 is the small malignant one. The team codes within cancer care. Understanding this helps patients see that the lesion excision codes are divided into benign (D7410/D7411/D7412) and malignant (D7413/D7414/D7415) categories — paralleling in structure (by size and complicated closure) but fundamentally divided by the benign vs malignant nature (based on the diagnosis, typically from biopsy/pathology) — with D7413 being the small (up to 1.25 cm) malignant excision, part of the more serious cancer-surgery category, and oral cancer care largely being a medical matter (medical insurance, oncology care) coordinated by a cancer care team.

Oral cancer — a serious matter requiring specialist care

Oral cancer requires specialist care, and understanding this is important for anyone facing it.

Oral cancer (a malignant oral lesion, the subject of D7413) is a serious matter that requires specialist care — and understanding this is important. Because it's cancer (with the potential to invade and spread), oral cancer is best managed by a team of specialists: oral and maxillofacial surgeons or head-and-neck surgeons (for the surgical treatment), medical and radiation oncologists (for other cancer treatments as needed), pathologists (for diagnosis), and others (e.g., for reconstruction, rehabilitation, support). The treatment is comprehensive and individualized — based on the cancer's type, stage (how advanced/spread), and the patient's situation. Early detection and treatment are important for the best outcomes (which is part of why dental check-ups include oral cancer screening — looking for suspicious lesions). So oral cancer care is comprehensive specialist care.

For anyone facing an oral cancer diagnosis (or a suspicious lesion), the key guidance is to work closely with the appropriate specialists/cancer care team — they provide the diagnosis, the individualized treatment plan, and the ongoing care. This page provides general information about the excision code (D7413) for context, but it's not a substitute for personalized medical guidance — oral cancer is a serious, sensitive medical situation where professional, individualized care is essential. The dental team plays a role (screening, detecting suspicious lesions, referring, and sometimes performing surgical components), within the broader cancer care. So oral cancer requires specialist care, and working with the care team is essential. The cancer care team guides the treatment. For patients, understanding that oral cancer requires specialist care — comprehensive, individualized treatment — is important for anyone facing it. It's serious and needs specialist care. The team guides it. Understanding this helps patients see that oral cancer (a malignant oral lesion) is a serious matter requiring specialist care — managed by a team (oral/head-and-neck surgeons, oncologists, pathologists, and others) with comprehensive, individualized treatment based on the cancer's type and stage, where early detection matters (part of routine dental oral cancer screening) — so for anyone facing an oral cancer diagnosis or suspicious lesion, the essential step is to work closely with the appropriate cancer care team for personalized diagnosis, treatment, and ongoing care, with this general information (about the D7413 excision code) provided for context rather than as a substitute for professional medical guidance.

Frequently asked questions

What is the D7413 dental code?
It's the excision of a malignant lesion up to 1.25 cm — surgically removing a malignant (cancerous) oral lesion measuring up to 1.25 cm in diameter, with appropriate margins and pathology examination. It's a serious procedure (oral cancer treatment), typically part of comprehensive cancer care, distinct from the benign excision codes (D7410).
What is a malignant lesion?
A cancerous lesion — cancer tissue that (unlike a benign lesion) can invade surrounding tissue and potentially spread (metastasize), making it a serious health matter. Oral cancers include squamous cell carcinoma (the most common). It's a fundamentally more serious situation than a benign growth, requiring specialist care.
How is excising a cancer different from a benign lesion?
It's more involved and serious — the lesion is removed with a margin of surrounding tissue (to remove all the cancer and achieve clear margins, reducing recurrence risk), with critical pathology (confirming the cancer type and margins), evaluation for spread (e.g., to lymph nodes), and often a broader treatment plan (possibly further surgery, radiation, or chemotherapy) managed by a cancer care team.
Who manages oral cancer treatment?
A team of specialists — oral/maxillofacial or head-and-neck surgeons, medical and radiation oncologists, pathologists, and others — providing comprehensive, individualized treatment based on the cancer's type and stage. Anyone facing an oral cancer diagnosis should work closely with their cancer care team for personalized care.
How much does it cost, and what insurance applies?
The excision itself may be roughly 400 to 1,000+ USD, but oral cancer care is typically much more comprehensive (evaluation, possibly additional surgery and other treatments), with the overall cost far exceeding the excision. Medical insurance is typically the primary coverage for cancer care. Work with your care team and medical insurer.
How does it relate to the other excision codes?
The malignant excision codes are D7413 (up to 1.25 cm — this code), D7414 (over 1.25 cm), and D7415 (complicated) — paralleling the benign codes (D7410/D7411/D7412) but for cancer. There are also separate codes for malignant tumors (D7440/D7441) and radical resection (D7490) for more extensive cancer surgery.

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.