Alphabetic Index FY2027

I87.09

Postthrombotic syndrome with other complications

FY2027Chapter 9: Diseases of the circulatory system/I80–I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

I87.09 is a non-billable ICD-10-CM code header for postthrombotic syndrome with other complications. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are I87.091 Postthrombotic syndrome with other complications of right lower extremity, I87.092 Postthrombotic syndrome with other complications of left lower extremity, I87.093 Postthrombotic syndrome with other complications of bilateral lower extremity and I87.099 Postthrombotic syndrome with other complications of unspecified lower extremity. Its coding notes include 1 Excludes1 entry and 10 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from I87.0 Postthrombotic syndrome
  • chronic venous hypertension without deep vein thrombosis (I87.3-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (10 notes)
Inherited from Chapter 9 Diseases of the circulatory system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 1 entry

More specific codes under I87.09 4