C88.31
✓ Billable
Immunoproliferative small intestinal disease, in remission
ICD-10-CM · FY2026 · Neoplasms
Code
C88.31
System
ICD-10-CM
Billable
Yes — valid for submission
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 C88.31?
ICD-10-CM code C88.31 represents Immunoproliferative small intestinal disease, in remission. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C88.31 billable?
Yes. C88.31 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is C88.31 in?
C88.31 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C88 category
C88
Malignant immunoproliferative diseases and certain other B-cell lymphomas
Non-billable
C88.0
Waldenstrom macroglobulinemia
Non-billable
C88.2
Heavy chain disease
Non-billable
C88.3
Immunoproliferative small intestinal disease
Non-billable
C88.4
Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]
Non-billable
C88.8
Other malignant immunoproliferative diseases
Non-billable
C88.9
Malignant immunoproliferative disease, unspecified
Non-billable
C88.00
Waldenstrom macroglobulinemia not having achieved remission
Billable
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