Home > 2009 ICD-9-CM Diagnosis Codes > Injury And Poisoning 800-999 > Sprains And Strains Of Joints And Adjacent Muscles 840-848 > Sprains and strains of knee and leg 844-
Specific code 2009 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 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 844.1 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 2009 version of ICD-9-CM 844.1.
  • More recent version(s) of ICD-9-CM 844.1: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 844.1 converts approximately to:
  • 2015/16 ICD-10-CM S83.419A Sprain of medial collateral ligament of unspecified knee, initial encounter
Approximate Synonyms
  • Left knee medial collateral ligament sprain
  • Left knee medial collateral ligament tear
  • Right knee medial collateral ligament sprain
  • Right knee medial collateral ligament tear
  • Rupture of medial collateral ligament of knee
  • Sprain knee, medial collateral ligament
  • Sprain of knee, medial collateral ligament
  • Sprain of medial collateral ligament of left knee
  • Sprain of medial collateral ligament of right knee
  • Tear knee, medial collateral ligament
  • Tear of medial collateral ligament of left knee
  • Tear of medial collateral ligament of right knee
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
 844.0 ICD9Data.com 844.2 
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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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