C88.40 – Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] not having achieved remission

ICD-10-CM 2027 diagnosis code · Malignant neoplasms of lymphoid, hematopoietic and related tissue

Billable code

ICD-10-CM code C88.40
Code
C88.40 (claims format: C8840)
Description
Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] not having achieved remission
Short description
Extrnod mrgnl B-cell lymph mucosa-assoc lym tiss not remis
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
C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue
Parent codes
C88 › C88.4

Notes for C88.40

Applicable to:
  • Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] NOS
  • Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] with failed remission
  • Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma] NOS
  • Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma] not having achieved remission
  • Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma] with failed remission
  • Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma] NOS
  • Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma] not having achieved remission
  • Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma] with failed remission

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C88 – Malignant immunoproliferative diseases and certain other B-cell lymphomas

Excludes1 (not coded here):
  • B-cell lymphoma, unspecified (C85.1-)
  • personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)

C88.4 – Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]

Applicable to:
  • Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma]
  • Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma]
Excludes1 (not coded here):
  • high malignant (diffuse large B-cell) lymphoma (C83.3-)

Block C81-C96

Excludes2 (not included here):
  • Kaposi's sarcoma of lymph nodes (C46.3)
  • secondary and unspecified neoplasm of lymph nodes (C77.-)
  • secondary neoplasm of bone marrow (C79.52)
  • secondary neoplasm of spleen (C78.89)

Related codes in C88.4

Frequently asked questions

What is ICD-10 code C88.40?

C88.40 is the ICD-10-CM code for extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] not having achieved remission, in the block C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).

Is C88.40 a billable code?

Yes. C88.40 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C88.40 belong to?

It belongs to category C88 – Malignant immunoproliferative diseases and certain other B-cell lymphomas.

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.