ICD10BillableValid for clinical use
ICD-10 Code C96.9: Malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).
When is it used?
- May be used when a clinician documents malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
2Neoplasms (C00-D49)
block
C00-C96Malignant neoplasms
block
C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue
category
C96Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
currentC96
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
OncologistGeneral PhysicianHematologist
Related codes
C96.0Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosiscodeC96.2Malignant mast cell neoplasmcategoryC96.4Sarcoma of dendritic cells (accessory cells)codeC96.5Multifocal and unisystemic Langerhans-cell histiocytosiscodeC96.6Unifocal Langerhans-cell histiocytosiscodeC96.AHistiocytic sarcomacodeC96.ZOther specified malignant neoplasms of lymphoid, hematopoietic and related tissuecode
Sibling codes
C96.0Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosisbillableC96.2Malignant mast cell neoplasmC96.4Sarcoma of dendritic cells (accessory cells)billableC96.5Multifocal and unisystemic Langerhans-cell histiocytosisbillableC96.6Unifocal Langerhans-cell histiocytosisbillableC96.AHistiocytic sarcomabillableC96.ZOther specified malignant neoplasms of lymphoid, hematopoietic and related tissuebillable
Coverage-related procedures and services
CPT 88182high
FLOW CYTOMETRY, CELL CYCLE OR DNA ANALYSIS
Source: CMS coverage guidance
CPT 88185high
FLOW CYTOMETRY, CELL SURFACE, CYTOPLASMIC, OR NUCLEAR MARKER, TECHNICAL COMPONENT ONLY; EACH ADDITIONAL MARKER (LIST SEPARATELY IN ADDITION TO CODE FOR FIRST MARKER)
Source: CMS coverage guidance
CPT 88184high
FLOW CYTOMETRY, CELL SURFACE, CYTOPLASMIC, OR NUCLEAR MARKER, TECHNICAL COMPONENT ONLY; FIRST MARKER
Source: CMS coverage guidance
CPT 88189high
FLOW CYTOMETRY, INTERPRETATION; 16 OR MORE MARKERS
Source: CMS coverage guidance
CPT 88187high
FLOW CYTOMETRY, INTERPRETATION; 2 TO 8 MARKERS
Source: CMS coverage guidance
CPT 88188high
FLOW CYTOMETRY, INTERPRETATION; 9 TO 15 MARKERS
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 1381293002high
Arthritis due to hematological malignancy
Source: SNOMED International ICD-10 map
SNOMED_CT 127221002high
Malignant haematopoietic neoplasm
Source: SNOMED International ICD-10 map
SNOMED_CT 127070008high
Malignant histiocytic disorder
Source: SNOMED International ICD-10 map
SNOMED_CT 404169008high
Malignant histiocytosis involving skin
Source: SNOMED International ICD-10 map
SNOMED_CT 93184007high
Malignant histiocytosis of intrathoracic lymph nodes
Source: SNOMED International ICD-10 map
SNOMED_CT 188641006high
Malignant histiocytosis of lymph nodes of axilla and upper limb
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
C96.9
Common synonyms
Malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecifiedMalignant neoplasm of lymphoid, hematopoietic and related tissue
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.