ICD-10 Code C81.19 – Nodular sclerosis Hodgkin lymphoma, extranodal and solid organ sites (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C81.19 – Nodular sclerosis Hodgkin lymphoma, extranodal and solid organ sites
What it is
This code identifies nodular sclerosis Hodgkin lymphoma involving extranodal or solid organ sites. Use it when the provider documents this specific Hodgkin lymphoma subtype and site.
Clinical signs
Clinical features may include enlarged lymph nodes, sometimes with symptoms from extranodal involvement. Clinical features vary; refer to documentation.
When to use this code
Use C81.19 when the record clearly states nodular sclerosis Hodgkin lymphoma with extranodal or solid organ involvement. It may appear in pathology, oncology, or discharge documentation. If the site or subtype is not confirmed, check documentation before coding.
Do not use for
Do not use this code for other Hodgkin lymphoma subtypes or for nodal disease without extranodal or solid organ involvement. Do not assume the site from imaging alone.
Coding tip
Code only when both the nodular sclerosis subtype and extranodal or solid organ site are documented.