C83.5
C83.5 — Lymphoblastic (diffuse) lymphoma
Non-billable headerICD-10-CM
C83.5 is a non-billable header ICD-10-CM code for lymphoblastic (diffuse) lymphoma. It cannot be billed on its own: choose one of the more specific child codes below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- B-precursor lymphoma
- Lymphoblastic B-cell lymphoma
- Lymphoblastic lymphoma NOS
- Lymphoblastic T-cell lymphoma
- T-precursor lymphoma
Other codes that can never be billed with C83.5
These codes carry an Excludes1 note pointing at C83.5. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading C83.5 alone.
- C83.390Primary central nervous system lymphoma
Risk adjustment
C83.5 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead C83.5
11 child codes. Green means billable.
- 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
Related codes at this level
Codes that share C83. If C83.5 is not quite right, the correct code is usually one of these.
Questions about C83.5
- Is C83.5 a billable ICD-10-CM code?
- No. C83.5 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does C83.5 sit in the tabular list?
- Neoplasms (C00-D49), in the block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96).