C88.4 — Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]
Is C88.4 billable?
No — C88.4 is a non-billable header code. C88.4 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 2 billable codes beneath C88.4.
C88.4 at a glance
| Code | C88.4 |
|---|---|
| Description | Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is C88.4 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to C88.4. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Lymphoma › BALT (of) (malignant)
- Lymphoma › bronchial-associated lymphoid tissue [BALT-lymphoma] (of) (malignant)
- Lymphoma › extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma] (of) (malignant)
- Lymphoma › MALT (of) (malignant)
- Lymphoma › mucosa-associated lymphoid tissue [MALT-lymphoma] (of) (malignant)
- Lymphoma › SALT (of) (malignant)
- Lymphoma › skin-associated lymphoid tissue [SALT-lymphoma] (of) (malignant)
Excludes1 — never code together
The conditions below can never be reported together with C88.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- high malignant (diffuse large B-cell) lymphoma (C83.3-)
Inclusion terms
Alternative wording in documentation that is classified to C88.4.
- Lymphoma of skin-associated lymphoid tissue [SALT-lymphoma]
- Lymphoma of bronchial-associated lymphoid tissue [BALT-lymphoma]
Excludes1 — never code together — inherited from C88
The conditions below can never be reported together with C88.4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from C81-C96
The conditions below are not part of C88.4, but a patient may have both at the same time. When documentation supports it, C88.4 and the excluded code may both be reported.
What codes fall under C88.4? (2)
How long has C88.4 existed?
C88.4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
- FY2025: C88.4 stopped being billable
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with C88.4?
ICD-10-CM declares these codes mutually exclusive with C88.4 — exactly one of each pair can be correct for a given encounter.