I82.56 Chronic embolism and thrombosis of calf muscular vein

Non-billable header with 4 child codes.

Applicable to

• Chronic embolism and thrombosis of calf muscular vein NOS
• Chronic embolism and thrombosis of gastrocnemial vein
• Chronic embolism and thrombosis of soleal vein

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 I82.5 Chronic embolism and thrombosis of deep veins of lower extremity

Excludes1 (never code together)

• personal history of venous embolism and thrombosis (Z86.718)

Use additional code

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

Codes under I82.56

• I82.561 Chronic embolism and thrombosis of right calf muscular vein
• I82.562 Chronic embolism and thrombosis of left calf muscular vein
• I82.563 Chronic embolism and thrombosis of calf muscular vein, bilateral
• I82.569 Chronic embolism and thrombosis of unspecified calf muscular vein

Code annotations containing back-references to I82.56

Back-references to I82.5

• Type 1 Excludes: I80 Phlebitis and thrombophlebitis ("venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)")
• Use Additional: O22.3 Deep phlebothrombosis in pregnancy ("code to identify the deep vein thrombosis (I82.4-, I82.5-, I82.62-, I82.72-)")
• Use Additional: O87.1 Deep phlebothrombosis in the puerperium ("code to identify the deep vein thrombosis (I82.4-, I82.5-, I82.62-, I82.72-)")

Diagnosis Index entries for I82.56

• Embolism (multiple) (paradoxical) › vein (acute) › calf, muscle › chronic
• Embolism (multiple) (paradoxical) › vein (acute) › gastrocnemial › chronic
• Embolism (multiple) (paradoxical) › vein (acute) › soleal › chronic
• Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) › vein (acute) › calf muscular › chronic

Nearby codes

• I82.55 Chronic embolism and thrombosis of peroneal vein
• I82.551 Chronic embolism and thrombosis of right peroneal vein
• I82.552 Chronic embolism and thrombosis of left peroneal vein
• I82.553 Chronic embolism and thrombosis of peroneal vein, bilateral
• I82.559 Chronic embolism and thrombosis of unspecified peroneal vein
• I82.56 Chronic embolism and thrombosis of calf muscular vein (this code)
• I82.561 Chronic embolism and thrombosis of right calf muscular vein
• I82.562 Chronic embolism and thrombosis of left calf muscular vein
• I82.563 Chronic embolism and thrombosis of calf muscular vein, bilateral
• I82.569 Chronic embolism and thrombosis of unspecified calf muscular vein
• I82.59 Chronic embolism and thrombosis of other specified deep vein of lower extremity