ICD10

ICD-10 Code C81.1: Nodular sclerosis Hodgkin lymphoma

C81.1 is an ICD-10 diagnosis entry used to group records related to Nodular sclerosis Hodgkin lymphoma. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

When is it used?

  • May be used when a clinician documents nodular sclerosis hodgkin lymphoma in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

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.
  • This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter
2Neoplasms (C00-D49)
block
C00-C96Malignant neoplasms
block
C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue
category
C81Hodgkin lymphoma
currentC81

Official coding notes

Inclusion terms
  • Nodular sclerosis classical Hodgkin lymphoma

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

OncologistGeneral Physician

Related codes

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
C81.1
Replacement codes
C81.10 — Nodular sclerosis Hodgkin lymphoma, unspecified siteC81.11 — Nodular sclerosis Hodgkin lymphoma, lymph nodes of head, face, and neckC81.12 — Nodular sclerosis Hodgkin lymphoma, intrathoracic lymph nodesC81.13 — Nodular sclerosis Hodgkin lymphoma, intra-abdominal lymph nodesC81.14 — Nodular sclerosis Hodgkin lymphoma, lymph nodes of axilla and upper limbC81.15 — Nodular sclerosis Hodgkin lymphoma, lymph nodes of inguinal region and lower limbC81.16 — Nodular sclerosis Hodgkin lymphoma, intrapelvic lymph nodesC81.17 — Nodular sclerosis Hodgkin lymphoma, spleenC81.18 — Nodular sclerosis Hodgkin lymphoma, lymph nodes of multiple sitesC81.19 — Nodular sclerosis Hodgkin lymphoma, extranodal and solid organ sitesC81.1A — Nodular sclerosis Hodgkin lymphoma, in remission

Common synonyms

Nodular sclerosis Hodgkin lymphoma

Frequently asked questions

Code details

CodeC81.1
SystemICD10
Display nameNodular sclerosis Hodgkin lymphoma
ChapterNeoplasms (C00-D49)
BlockMalignant neoplasms of lymphoid, hematopoietic and related tissue

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

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.