ICD10

ICD-10 Code C41: Malignant neoplasm of bone and articular cartilage of other and unspecified sites

C41 is an ICD-10 diagnosis entry used to group records related to Malignant neoplasm of bone and articular cartilage of other and unspecified sites. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

When is it used?

  • May be used when a clinician documents malignant neoplasm of bone and articular cartilage of other and unspecified sites in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
  • This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter
2Neoplasms (C00-D49)
block
C00-C96Malignant neoplasms
block
C00-C75Malignant neoplasms, stated or presumed to be primary (of specified sites), and certain specified histologies, except neuroendocrine, and of lymphoid, hematopoietic and related tissue
block
C40-C41Malignant neoplasms of bone and articular cartilage
currentC40-C41

Official coding notes

Excludes1 (do not code together)
  • malignant neoplasm of bones of limbs (C40.-)
  • malignant neoplasm of cartilage of ear (C49.0)
  • malignant neoplasm of cartilage of eyelid (C49.0)
  • malignant neoplasm of cartilage of larynx (C32.3)
  • malignant neoplasm of cartilage of limbs (C40.-)
  • malignant neoplasm of cartilage of nose (C30.0)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

OncologistGeneral Physician

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
C41
Replacement codes
C41.0 — Malignant neoplasm of bones of skull and faceC41.1 — Malignant neoplasm of mandibleC41.2 — Malignant neoplasm of vertebral columnC41.3 — Malignant neoplasm of ribs, sternum and clavicleC41.4 — Malignant neoplasm of pelvic bones, sacrum and coccyxC41.9 — Malignant neoplasm of bone and articular cartilage, unspecified

Common synonyms

Malignant neoplasm of bone and articular cartilage of other and unspecified sitesMalignant neoplasm of bone and articular cartilage of other and sites

Frequently asked questions

Code details

CodeC41
SystemICD10
Display nameMalignant neoplasm of bone and articular cartilage of other and unspecified sites
ChapterNeoplasms (C00-D49)
BlockMalignant neoplasms of bone and articular cartilage

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.