C48.1 – Malignant neoplasm of specified parts of peritoneum
ICD-10-CM 2027 diagnosis code · Malignant neoplasms of mesothelial and soft tissue
ICD-10-CM code
C48.1
- Code
C48.1(claims format:C481)- Description
- Malignant neoplasm of specified parts of peritoneum
- 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
- C45-C49 Malignant neoplasms of mesothelial and soft tissue
- Parent codes
- C48
Notes for C48.1
Applicable to:
- Malignant neoplasm of cul-de-sac
- Malignant neoplasm of mesentery
- Malignant neoplasm of mesocolon
- Malignant neoplasm of omentum
- Malignant neoplasm of parietal peritoneum
- Malignant neoplasm of pelvic peritoneum
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
C48 – Malignant neoplasm of retroperitoneum and peritoneum
Related codes in C48
Frequently asked questions
What is ICD-10 code C48.1?
C48.1 is the ICD-10-CM code for malignant neoplasm of specified parts of peritoneum, in the block C45-C49 (Malignant neoplasms of mesothelial and soft tissue).
Is C48.1 a billable code?
Yes. C48.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does C48.1 belong to?
It belongs to category C48 – Malignant neoplasm of retroperitoneum and peritoneum.
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.