C41.0 Malignant neoplasm of bones of skull and face

✓ Billable ICD-10-CM 2026
Open C41.0 in Web App →

The ICD-10-CM code for Malignant neoplasm of bones of skull and face is C41.0 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
C40-C41: Malignant neoplasms of bone and articular cartilage (C40-C41)
Category C41
7 codes (6 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to C41.0:

  • Odontosarcoma, ameloblastic › upper jaw (bone)
  • Carcinoma (malignant) › odontogenic › upper jaw (bone)
  • Sarcoma (of) › odontogenic › upper jaw (bone)
  • Carcinoma (malignant) › ameloblastic › upper jaw (bone)
  • Fibrosarcoma › odontogenic › upper jaw (bone)
  • Fibrosarcoma › ameloblastic › upper jaw (bone)
  • Sarcoma (of) › ameloblastic › upper jaw (bone)
  • Carcinoma (malignant) › intraosseous › upper jaw (bone)
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • carcinoma, any type except intraosseous or odontogenic of:
  • maxillary sinus (C31.0)
  • upper jaw (C03.0)
  • malignant neoplasm of jaw bone (lower) (C41.1)

Inclusion Terms

  • Malignant neoplasm of maxilla (superior)
  • Malignant neoplasm of orbital bone

U.S. Hospital Utilization

  • An estimated 2,305 U.S. inpatient stays in 2023 included C41.0 among the documented diagnoses.
  • 975 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

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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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