C13
⚠ Non-billable
Malignant neoplasm of hypopharynx
ICD-10-CM · FY2026 · Neoplasms
Code
C13
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code C13?
ICD-10-CM code C13 represents Malignant neoplasm of hypopharynx. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C13 billable?
No. C13 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is C13 in?
C13 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C13 category
C13.0
Malignant neoplasm of postcricoid region
Billable
C13.1
Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect
Billable
C13.2
Malignant neoplasm of posterior wall of hypopharynx
Billable
C13.8
Malignant neoplasm of overlapping sites of hypopharynx
Billable
C13.9
Malignant neoplasm of hypopharynx, unspecified
Billable
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