ICD-10-CM Code C91.50

Adult T-cell lymphoma/leukemia (HTLV-1-associated) not having achieved remission

Version 2020 Billable Code Adult Diagnoses

Valid for Submission

C91.50 is a billable code used to specify a medical diagnosis of adult t-cell lymphoma/leukemia (htlv-1-associated) not having achieved remission. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code C91.50 might also be used to specify conditions or terms like adult t-cell leukemia, adult t-cell leukemia/lymphoma, adult t-cell leukemia/lymphoma of skin, leukemic infiltration of skin , smoldering chronic lymphocytic leukemia, t-cell chronic lymphocytic leukemia, etc

The code C91.50 is applicable to adult patients aged 15 through 124 years inclusive. It is clinically and virtually impossible to use this code on a patient outside the stated age range.

ICD-10:C91.50
Short Description:Adult T-cell lymph/leuk (HTLV-1-assoc) not achieve remission
Long Description:Adult T-cell lymphoma/leukemia (HTLV-1-associated) not having achieved remission

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code C91.50:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Adult T-cell lymphoma/leukemia (HTLV-1-associated) with failed remission
  • Adult T-cell lymphoma/leukemia (HTLV-1-associated) NOS

Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

  • Adult diagnoses - Adult. Age range is 15–124 years inclusive (e.g., senile delirium, mature cataract).

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Adult T-cell leukemia
  • Adult T-cell leukemia/lymphoma
  • Adult T-cell leukemia/lymphoma of skin
  • Leukemic infiltration of skin
  • Smoldering chronic lymphocytic leukemia
  • T-cell chronic lymphocytic leukemia
  • T-cell chronic lymphocytic leukemia
  • T-cell leukemic infiltration of skin

Diagnostic Related Groups

The ICD-10 code C91.50 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2019 through 09/30/2020.

  • 820 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH MCC
  • 821 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH CC
  • 822 - LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITHOUT CC/MCC

Convert C91.50 to ICD-9

  • 204.80 - Oth lym leu wo achv rmsn (Approximate Flag)

Code Classification

  • Neoplasms (C00–D48)
    • Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
      • Lymphoid leukemia (C91)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Information for Patients


Leukemia

Leukemia is cancer of the white blood cells. White blood cells help your body fight infection. Your blood cells form in your bone marrow. In leukemia, the bone marrow produces abnormal white blood cells. These cells crowd out the healthy blood cells, making it hard for blood to do its work.

There are different types of leukemia, including

  • Acute lymphocytic leukemia
  • Acute myeloid leukemia
  • Chronic lymphocytic leukemia
  • Chronic myeloid leukemia

Leukemia can develop quickly or slowly. Chronic leukemia grows slowly. In acute leukemia, the cells are very abnormal and their number increases rapidly. Adults can get either type; children with leukemia most often have an acute type. Some leukemias can often be cured. Other types are hard to cure, but you can often control them. Treatments may include chemotherapy, radiation and stem cell transplantation. Even if symptoms disappear, you might need therapy to prevent a relapse.

NIH: National Cancer Institute


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Lymphoma

Lymphoma is a cancer of a part of the immune system called the lymph system. There are many types of lymphoma. One type is Hodgkin disease. The rest are called non-Hodgkin lymphomas.

Non-Hodgkin lymphomas begin when a type of white blood cell, called a T cell or B cell, becomes abnormal. The cell divides again and again, making more and more abnormal cells. These abnormal cells can spread to almost any other part of the body. Most of the time, doctors don't know why a person gets non-Hodgkin lymphoma. You are at increased risk if you have a weakened immune system or have certain types of infections.

Non-Hodgkin lymphoma can cause many symptoms, such as

  • Swollen, painless lymph nodes in the neck, armpits or groin
  • Unexplained weight loss
  • Fever
  • Soaking night sweats
  • Coughing, trouble breathing or chest pain
  • Weakness and tiredness that don't go away
  • Pain, swelling or a feeling of fullness in the abdomen

Your doctor will diagnose lymphoma with a physical exam, blood tests, a chest x-ray, and a biopsy. Treatments include chemotherapy, radiation therapy, targeted therapy, biological therapy, or therapy to remove proteins from the blood. Targeted therapy uses substances that attack cancer cells without harming normal cells. Biologic therapy boosts your body's own ability to fight cancer. If you don't have symptoms, you may not need treatment right away. This is called watchful waiting.

NIH: National Cancer Institute


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