C88.90 ICD-10-CM Code: Malignant immunoproliferative disease, unspecified not having achieved remission

C88.90 is the billable ICD-10-CM code for “Malignant immunoproliferative disease, unspecified not having achieved remission” in the FY 2027 U.S. code set, effective Oct 1, 2026.

Official description

C88.90

Malignant immunoproliferative disease, unspecified not having achieved remission

ICD-10-CM diagnosis code · United States clinical modification

Where C88.90 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)

  3. 3

    Category C88

    Malignant immunoproliferative diseases and certain other B-cell lymphomas

  4. 4

    Subcategory C88.9

    Malignant immunoproliferative disease, unspecified

  5. 5

    Code C88.90

    Malignant immunoproliferative disease, unspecified not having achieved remission

Notes for this code

Inclusion terms

  • Immunoproliferative disease NOS
  • Immunoproliferative disease NOS not having achieved remission
  • Immunoproliferative disease NOS with failed remission
  • Malignant immunoproliferative disease, unspecified NOS
  • Malignant immunoproliferative disease, unspecified with failed remission

Code first

No “code first” instruction is listed for C88.90.

Use additional code

No “use additional code” instruction is listed for C88.90.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for C88.90.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for C88.90.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code C88.90 mean?

C88.90 is the FY 2027 U.S. ICD-10-CM code for “Malignant immunoproliferative disease, unspecified not having achieved remission.”

Is C88.90 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, C88.90 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is C88.90 located in ICD-10-CM?

C88.90 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96) (C81–C96), under category C88, Malignant immunoproliferative diseases and certain other B-cell lymphomas and subcategory C88.9, Malignant immunoproliferative disease, unspecified.

What coding notes are listed for C88.90?

Its listed inclusion terms are Immunoproliferative disease NOS; Immunoproliferative disease NOS not having achieved remission; Immunoproliferative disease NOS with failed remission; Malignant immunoproliferative disease, unspecified NOS; Malignant immunoproliferative disease, unspecified with failed remission. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.