ICD-10-CM 2027
ICD-10 code for Trousseau's syndrome
From the official ICD-10-CM alphabetic index entry “Syndrome › Trousseau's”. Page updated September 29, 2026.
About coding Trousseau's syndrome
The ICD-10-CM code for Trousseau's syndrome is I82.1 (Thrombophlebitis migrans).
Within I82 (other venous embolism and thrombosis), I82.1 is specifically for thrombophlebitis migrans. Related codes cover Budd-Chiari syndrome (I82.0), embolism and thrombosis of vena cava and other thoracic veins (I82.2), embolism and thrombosis of renal vein (I82.3), acute embolism and thrombosis of deep veins of lower extremity (I82.4), chronic embolism and thrombosis of deep veins of lower extremity (I82.5), acute embolism and thrombosis of veins of upper extremity (I82.6), chronic embolism and thrombosis of veins of upper extremity (I82.7), embolism and thrombosis of other specified veins (I82.8) and 4 more.
Code first venous embolism and thrombosis complicating: abortion, ectopic or molar pregnancy (O00-O07, O08.7) and pregnancy, childbirth and the puerperium (O22.-, O87.-).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Common questions about Trousseau's syndrome ICD-10 codes
What is the ICD-10 code for Trousseau's syndrome?
- I82.1 — Thrombophlebitis migrans.
Is I82.1 billable?
- Yes. I82.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can I82.1 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict I82.1 as a principal diagnosis.
Is I82.1 a CC or MCC?
- I82.1 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.