C40.91 – Malignant neoplasm of unspecified bones and articular cartilage of right limb
ICD-10-CM 2027 diagnosis code · Malignant neoplasms of bone and articular cartilage
ICD-10-CM code
C40.91
- Code
C40.91(claims format:C4091)- Description
- Malignant neoplasm of unspecified bones and articular cartilage of right limb
- Short description
- Malig neoplasm of unsp bones and artic cartlg of right limb
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 2. Neoplasms (C00-D49)
- Block
- C40-C41 Malignant neoplasms of bone and articular cartilage
- Parent codes
- C40 › C40.9
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
C40 – Malignant neoplasm of bone and articular cartilage of limbs
Use additional code:
- code to identify major osseous defect, if applicable (M89.7-)
Block C40-C41
Includes:
- malignant neoplasm of cartilage (articular) (joint)
- malignant neoplasm of periosteum
Related codes in C40.9
Frequently asked questions
What is ICD-10 code C40.91?
C40.91 is the ICD-10-CM code for malignant neoplasm of unspecified bones and articular cartilage of right limb, in the block C40-C41 (Malignant neoplasms of bone and articular cartilage).
Is C40.91 a billable code?
Yes. C40.91 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does C40.91 belong to?
It belongs to category C40 – Malignant neoplasm of bone and articular cartilage of limbs.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.