I82.819 Embolism and thrombosis of superficial veins of unspecified lower extremity

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from I82 Other venous embolism and thrombosis

Excludes2 (not included here)

• venous embolism and thrombosis (of):
• cerebral (I63.6, I67.6)
• coronary (I21-I25)
• intracranial and intraspinal, septic or NOS (G08)
• intracranial, nonpyogenic (I67.6)
• intraspinal, nonpyogenic (G95.1)
• mesenteric (K55.0-)
• portal (I81)
• pulmonary (I26.-)

Code first

• venous embolism and thrombosis complicating:
• abortion, ectopic or molar pregnancy (O00-O07, O08.7)
• pregnancy, childbirth and the puerperium (O22.-, O87.-)

Applies from I82.8 Embolism and thrombosis of other specified veins

Use additional code

• code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)

Applies from I82.81 Embolism and thrombosis of superficial veins of lower extremities

Applicable to

• Embolism and thrombosis of saphenous vein (greater) (lesser)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 453.6 Venous embolism and thrombosis of superficial vessels of lower extremity (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to I82.819

Back-references to I82.81

• Type 1 Excludes: I80 Phlebitis and thrombophlebitis ("venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)")

Nearby codes

• I82.8 Embolism and thrombosis of other specified veins
• I82.81 Embolism and thrombosis of superficial veins of lower extremities
• I82.811 Embolism and thrombosis of superficial veins of right lower extremity
• I82.812 Embolism and thrombosis of superficial veins of left lower extremity
• I82.813 Embolism and thrombosis of superficial veins of lower extremities, bilateral
• I82.819 Embolism and thrombosis of superficial veins of unspecified lower extremity (this code)
• I82.89 Embolism and thrombosis of other specified veins
• I82.890 Acute embolism and thrombosis of other specified veins
• I82.891 Chronic embolism and thrombosis of other specified veins
• I82.9 Embolism and thrombosis of unspecified vein
• I82.90 Acute embolism and thrombosis of unspecified vein