Specific code 2015 ICD-9-CM Diagnosis Code 861.21
Contusion of lung without mention of open wound into thorax
  • 2015
  • Billable Code
  • ICD-9-CM 861.21 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 861.21 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Bilat lung contusion
  • bilateral lung contusion
  • Unilat lung contusion
  • Unilateral lung contusion
Convert to ICD-10-CM: 861.21 converts approximately to:
  • 2015 ICD-10-CM S27.329A Contusion of lung, unspecified, initial encounter
ICD-9-CM Volume 2 Index entries containing back-references to 861.21:
  • Contusion (skin surface intact) 924.9
    • lung 861.21
      • with open wound into thorax 861.31
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 861.21 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.