D16.5 Benign neoplasm of lower jaw bone

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Benign neoplasm of lower jaw bone is D16.5 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
D10-D36: Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
Category D16
23 codes (18 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to D16.5:

  • Cyst (colloid) (mucous) (simple) (retention) › calcifying odontogenic

Inclusion Terms

  • Keratocyst of mandible
  • Keratocystic odontogenic tumor of mandible

U.S. Hospital Utilization

  • An estimated 775 U.S. inpatient stays in 2023 included D16.5 among the documented diagnoses.
  • 555 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.a
Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

D16 Benign neoplasm of bone and articular cartilage

Related Codes in D16

D16 Benign neoplasm of bone and articular cartilage D16.0 Benign neoplasm of scapula and long bones of upper limb D16.00 Benign neoplasm of scapula and long bones of unspecified upper limb D16.01 Benign neoplasm of scapula and long bones of right upper limb D16.02 Benign neoplasm of scapula and long bones of left upper limb D16.1 Benign neoplasm of short bones of upper limb D16.10 Benign neoplasm of short bones of unspecified upper limb D16.11 Benign neoplasm of short bones of right upper limb D16.12 Benign neoplasm of short bones of left upper limb D16.2 Benign neoplasm of long bones of lower limb D16.20 Benign neoplasm of long bones of unspecified lower limb D16.21 Benign neoplasm of long bones of right lower limb D16.22 Benign neoplasm of long bones of left lower limb D16.3 Benign neoplasm of short bones of lower limb D16.30 Benign neoplasm of short bones of unspecified lower limb D16.31 Benign neoplasm of short bones of right lower limb D16.32 Benign neoplasm of short bones of left lower limb D16.4 Benign neoplasm of bones of skull and face D16.6 Benign neoplasm of vertebral column D16.7 Benign neoplasm of ribs, sternum and clavicle
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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