Home > 2011 ICD-9-CM Diagnosis Codes > Neoplasms 140-239 > Malignant Neoplasm Of Lymphatic And Hematopoietic Tissue 200-208 > Lymphoid leukemia 204-
Specific code 2011 ICD-9-CM Diagnosis Code 204.12
Chronic lymphoid leukemia, in relapse
  • Short description: Chr lymp leuk in relapse.
  • ICD-9-CM 204.12 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 204.12 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2011 version of ICD-9-CM 204.12.
  • More recent version(s) of ICD-9-CM 204.12: 2012 2013 2014 2015.
Convert to ICD-10-CM: 204.12 converts directly to:
  • 2015/16 ICD-10-CM C91.12 Chronic lymphocytic leukemia of B-cell type in relapse
Approximate Synonyms
  • Chronic lymphoid leukemia in relapse
  • Chronic lymphoid leukemia, in relapse
 204.11 ICD9Data.com 204.2 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 204.12 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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