C83.5

Non-Billable

ChapterC00–D49

Ranksubcategory

Official Description

Lymphoblastic (diffuse) lymphoma

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes

B-precursor lymphoma
Lymphoblastic B-cell lymphoma
Lymphoblastic lymphoma NOS
Lymphoblastic T-cell lymphoma
T-precursor lymphoma

General instructions are available for the parent sections:

View C81-C96 Notes View C83 Notes

Clinical Hierarchy

CH2Neoplasms (C00-D49)

C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)

C83Non-follicular lymphoma

C83.5Lymphoblastic (diffuse) lymphoma

C83.50Lymphoblastic (diffuse) lymphoma, unspecified site

C83.51Lymphoblastic (diffuse) lymphoma, lymph nodes of head, face, and neck

C83.52Lymphoblastic (diffuse) lymphoma, intrathoracic lymph nodes

C83.53Lymphoblastic (diffuse) lymphoma, intra-abdominal lymph nodes

C83.54Lymphoblastic (diffuse) lymphoma, lymph nodes of axilla and upper limb

C83.55Lymphoblastic (diffuse) lymphoma, lymph nodes of inguinal region and lower limb

C83.56Lymphoblastic (diffuse) lymphoma, intrapelvic lymph nodes

C83.57Lymphoblastic (diffuse) lymphoma, spleen

C83.58Lymphoblastic (diffuse) lymphoma, lymph nodes of multiple sites

C83.59Lymphoblastic (diffuse) lymphoma, extranodal and solid organ sites

C83.5ALymphoblastic (diffuse) lymphoma, in remission

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C83.5:

categoryC83

Non-follicular lymphoma

View context instructions

blockC81-C96

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

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to C83.5. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths

Lymphoma (of) (malignant)6 unique routes

B-precursor→C83.5

lymphoblastic (diffuse)→C83.5

lymphoblastic B-cell→C83.5

lymphoblastic T-cell→C83.5

primary central nervous system (brain) (meninges) (PCNSL) (spinal cord)

lymphoblastic→C83.5

T-precursor→C83.5

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Lymphoblastic (diffuse) lymphoma.

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