C81.9 - Hodgkin lymphoma, unspecified

Version 2023
ICD-10:C81.9
Short Description:Hodgkin lymphoma, unspecified
Long Description:Hodgkin lymphoma, unspecified
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Neoplasms (C00–D48)
    • Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
      • Hodgkin lymphoma (C81)

C81.9 is a non-specific and non-billable ICD-10 code code, consider using a code with a higher level of specificity for a diagnosis of hodgkin lymphoma, unspecified. The code is not specific and is NOT valid for the year 2023 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like C81.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding for Hodgkin lymphoma, unspecified

Non-specific codes like C81.9 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for hodgkin lymphoma, unspecified:

  • BILLABLE CODE - Use C81.90 for Hodgkin lymphoma, unspecified, unspecified site
  • BILLABLE CODE - Use C81.91 for Hodgkin lymphoma, unspecified, lymph nodes of head, face, and neck
  • BILLABLE CODE - Use C81.92 for Hodgkin lymphoma, unspecified, intrathoracic lymph nodes
  • BILLABLE CODE - Use C81.93 for Hodgkin lymphoma, unspecified, intra-abdominal lymph nodes
  • BILLABLE CODE - Use C81.94 for Hodgkin lymphoma, unspecified, lymph nodes of axilla and upper limb
  • BILLABLE CODE - Use C81.95 for Hodgkin lymphoma, unspecified, lymph nodes of inguinal region and lower limb
  • BILLABLE CODE - Use C81.96 for Hodgkin lymphoma, unspecified, intrapelvic lymph nodes
  • BILLABLE CODE - Use C81.97 for Hodgkin lymphoma, unspecified, spleen
  • BILLABLE CODE - Use C81.98 for Hodgkin lymphoma, unspecified, lymph nodes of multiple sites
  • BILLABLE CODE - Use C81.99 for Hodgkin lymphoma, unspecified, extranodal and solid organ sites

Index to Diseases and Injuries References

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for this diagnosis code are found in the injuries and diseases index:

Patient Education


Hodgkin Lymphoma

What is Hodgkin lymphoma?

Hodgkin lymphoma, also called Hodgkin disease, is a type of cancer that develops in the lymph system. Your lymph system is part of your immune system. It helps protect your body from infection and disease.

The lymph system is made up of tissues and organs that produce, store, and carry white blood cells. It includes your:

Hodgkin lymphoma is one of the main types of lymphoma. The other is non-Hodgkin lymphoma. Each type starts in different types of white blood cells.

What causes Hodgkin lymphoma?

The cause of Hodgkin lymphoma is unknown. But there are certain people who are at higher risk of developing it.

Who is more likely to develop Hodgkin lymphoma?

Certain factors can make you more likely to develop Hodgkin lymphoma:

What are the symptoms of Hodgkin lymphoma?

The signs and symptoms of Hodgkin lymphoma may include:

How is Hodgkin lymphoma diagnosed?

To find out if you have Hodgkin lymphoma, your provider:

What are the treatments for Hodgkin lymphoma?

Treatments for Hodgkin lymphoma include:

Hodgkin lymphoma can usually be cured if it is found and treated early.

NIH: National Cancer Institute


[Learn More in MedlinePlus]

Adult Hodgkin Lymphoma Summary

Learn about adult hodgkin lymphoma risk factors, symptoms, tests to diagnose, factors affecting prognosis, staging, and treatment.
[Learn More in MedlinePlus]

Lymphoma-Patient Version

Learn about Hodgkin lymphoma risk factors, symptoms, tests to diagnose, factors affecting prognosis, staging, and treatment.
[Learn More in MedlinePlus]

Code History