I87.009 Postthrombotic syndrome without complications of unspecified extremity

Billable ICD-10-CM code, FY2026.

Applicable to

• Postthrombotic syndrome NOS

Applies from I87.0 Postthrombotic syndrome

Applicable to

• Chronic venous hypertension due to deep vein thrombosis
• Postphlebitic syndrome

Excludes1 (never code together)

• chronic venous hypertension without deep vein thrombosis (I87.3-)

Applies from I87.00 Postthrombotic syndrome without complications

Applicable to

• Asymptomatic Postthrombotic syndrome

MS-DRG index

Defines the logic of DRG(s) 299-301 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 459.10 Postphlebetic syndrome without complications (approximate)

Code annotations containing back-references to I87.009

Back-references to I87.0

• Type 1 Excludes: I87.3 Chronic venous hypertension (idiopathic) ("chronic venous hypertension due to deep vein thrombosis (I87.0-)")

Diagnosis Index entries for I87.009

• Syndrome › postthrombotic

Nearby codes

• I87.0 Postthrombotic syndrome
• I87.00 Postthrombotic syndrome without complications
• I87.001 Postthrombotic syndrome without complications of right lower extremity
• I87.002 Postthrombotic syndrome without complications of left lower extremity
• I87.003 Postthrombotic syndrome without complications of bilateral lower extremity
• I87.009 Postthrombotic syndrome without complications of unspecified extremity (this code)
• I87.01 Postthrombotic syndrome with ulcer
• I87.011 Postthrombotic syndrome with ulcer of right lower extremity
• I87.012 Postthrombotic syndrome with ulcer of left lower extremity
• I87.013 Postthrombotic syndrome with ulcer of bilateral lower extremity
• I87.019 Postthrombotic syndrome with ulcer of unspecified lower extremity