I71.012

Dissection of descending thoracic aorta

Billable / specificHCC V28 264

I71.012 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from I71)
  • certain infectious and parasitic diseases (A00-B99) (from I71)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from I71)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from I71)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from I71)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from I71)
  • neoplasms (C00-D49) (from I71)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from I71)
  • systemic connective tissue disorders (M30-M36) (from I71)
  • transient cerebral ischemic attacks and related syndromes (G45.-) (from I71)

Code first

Sequence the underlying condition first.

Also known as

  • Dissection, aorta, thoracic, descending thoracic aorta

Parent code

  • I71.01Dissection of thoracic aortaHeader

Related codes

  • I71.010Dissection of ascending aortaBillable
  • I71.011Dissection of aortic archBillable
  • I71.019Dissection of thoracic aorta, unspecifiedBillable

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