C83.5 – Lymphoblastic (diffuse) lymphoma

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

Non-billable header

ICD-10-CM code C83.5
Code
C83.5 (claims format: C835)
Description
Lymphoblastic (diffuse) lymphoma
Billable
No – use a more specific code below
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
C83

Billable codes under C83.5

C83.5 is a header code and cannot be used on claims. Choose the most specific code:

Notes for C83.5

Applicable to:
  • B-precursor lymphoma
  • Lymphoblastic B-cell lymphoma
  • Lymphoblastic lymphoma NOS
  • Lymphoblastic T-cell lymphoma
  • T-precursor lymphoma

Notes inherited from parent codes

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

C83 – Non-follicular lymphoma

Excludes1 (not coded here):
  • personal history of non-Hodgkin lymphoma (Z85.72)

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)

Index terms for C83.5

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in C83

Frequently asked questions

What is ICD-10 code C83.5?

C83.5 is the ICD-10-CM code for lymphoblastic (diffuse) lymphoma, in the block C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).

Is C83.5 a billable code?

No. C83.5 is a header code with more specific child codes; report one of the billable codes listed above.

What category does C83.5 belong to?

It belongs to category C83 – Non-follicular lymphoma.

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.