Specific code 2011 ICD-9-CM Diagnosis Code 844.1
Sprain of medial collateral ligament of knee
  • Short description: Sprain medial collat lig.
  • ICD-9-CM 844.1 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 844.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 844.1.
  • More recent version(s) of ICD-9-CM 844.1: 2012 2013 2014.
Disease Synonyms
  • Rupture of medial collateral ligament of knee
  • Sprain knee, medial collateral ligament
  • Sprain of knee, medial collateral ligament
  • Tear knee, medial collateral ligament
Convert to ICD-10-CM: 844.1 converts approximately to:
  • 2014 ICD-10-CM S83.419A Sprain of medial collateral ligament of unspecified knee, initial encounter
ICD-9-CM Volume 2 Index entries containing back-references to 844.1:
  • Derangement
    • collateral ligament (knee) (medial) (tibial) 717.82
      • current injury 844.1
      • lateral (fibular) 717.81
  • Sprain, strain (joint) (ligament) (muscle) (tendon) 848.9
    • medial collateral, knee 844.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 844.1 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.