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Diseases of the circulatory system (I00-I99)

Excludes 2:: 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.-)

Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)

I80

Phlebitis and thrombophlebitis [+]

Code first	phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (O00-O07, O08.7) phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (O22.-, O87.-)
Includes:	endophlebitis inflammation, vein periphlebitis suppurative phlebitis
Excludes 1:	venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)

I80.0

Phlebitis and thrombophlebitis of superficial vessels of lower extremities [+]
Phlebitis and thrombophlebitis of femoropopliteal vein

I80.1

Phlebitis and thrombophlebitis of femoral vein [+]
Phlebitis and thrombophlebitis of common femoral vein
Phlebitis and thrombophlebitis of deep femoral vein

I80.2

Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities [+]

I80.20

Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities [+]

I80.21

Phlebitis and thrombophlebitis of iliac vein [+]
Phlebitis and thrombophlebitis of common iliac vein
Phlebitis and thrombophlebitis of external iliac vein
Phlebitis and thrombophlebitis of internal iliac vein

I80.22

Phlebitis and thrombophlebitis of popliteal vein [+]

I80.23

Phlebitis and thrombophlebitis of tibial vein [+]
Phlebitis and thrombophlebitis of anterior tibial vein
Phlebitis and thrombophlebitis of posterior tibial vein

I80.24

Phlebitis and thrombophlebitis of peroneal vein [+]

I80.25

Phlebitis and thrombophlebitis of calf muscular vein [+]
Phlebitis and thrombophlebitis of calf muscular vein, NOS
Phlebitis and thrombophlebitis of gastrocnemial vein
Phlebitis and thrombophlebitis of soleal vein

I80.29

Phlebitis and thrombophlebitis of other deep vessels of lower extremities [+]

I80.3

Phlebitis and thrombophlebitis of lower extremities, unspecified

I80.8

Phlebitis and thrombophlebitis of other sites

I80.9

Phlebitis and thrombophlebitis of unspecified site

I81

Portal vein thrombosis
Portal (vein) obstruction

Excludes 2:

hepatic vein thrombosis (I82.0)
phlebitis of portal vein (K75.1)

I82

Other venous embolism and thrombosis [+]

Code first	venous embolism and thrombosis complicating: abortion, ectopic or molar pregnancy (O00-O07, O08.7) pregnancy, childbirth and the puerperium (O22.-, O87.-)
Excludes 2:	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.-)

I82.0

Budd-Chiari syndrome
Hepatic vein thrombosis

I82.1

Thrombophlebitis migrans

I82.2

Embolism and thrombosis of vena cava and other thoracic veins [+]

I82.3

Embolism and thrombosis of renal vein

I82.4

Acute embolism and thrombosis of deep veins of lower extremity [+]

I82.5

Chronic embolism and thrombosis of deep veins of lower extremity [+]

Use additional	code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
Excludes 1:	personal history of venous embolism and thrombosis (Z86.718)

I82.6

Acute embolism and thrombosis of veins of upper extremity [+]

I82.7

Chronic embolism and thrombosis of veins of upper extremity [+]

Use additional	code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
Excludes 1:	personal history of venous embolism and thrombosis (Z86.718)

I82.A

Embolism and thrombosis of axillary vein [+]

I82.B

Embolism and thrombosis of subclavian vein [+]

I82.C

Embolism and thrombosis of internal jugular vein [+]

I82.8

Embolism and thrombosis of other specified veins [+]

Use additional

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

I82.9

Embolism and thrombosis of unspecified vein [+]

I83

Varicose veins of lower extremities [+]

Excludes 2:

varicose veins complicating pregnancy (O22.0-)
varicose veins complicating the puerperium (O87.4)

I83.0

Varicose veins of lower extremities with ulcer [+]

Use additional

code to identify severity of ulcer (L97.-)

I83.00

Varicose veins of unspecified lower extremity with ulcer [+]

I83.01

Varicose veins of right lower extremity with ulcer [+]

I83.02

Varicose veins of left lower extremity with ulcer [+]

I83.1

Varicose veins of lower extremities with inflammation [+]

I83.2

Varicose veins of lower extremities with both ulcer and inflammation [+]

Use additional

code to identify severity of ulcer (L97.-)

I83.20

Varicose veins of unspecified lower extremity with both ulcer and inflammation [+]

I83.21

Varicose veins of right lower extremity with both ulcer and inflammation [+]

I83.22

Varicose veins of left lower extremity with both ulcer and inflammation [+]

I83.8

Varicose veins of lower extremities with other complications [+]

I83.81

Varicose veins of lower extremities with pain [+]

I83.89

Varicose veins of lower extremities with other complications [+]
Varicose veins of lower extremities with edema
Varicose veins of lower extremities with swelling

I83.9

Asymptomatic varicose veins of lower extremities [+]
Phlebectasia of lower extremities
Varicose veins of lower extremities
Varix of lower extremities

I85

Esophageal varices [+]

Use additional	code to identify:
Use additional	alcohol abuse and dependence (F10.-)

I86

Varicose veins of other sites [+]

Excludes 1:	varicose veins of unspecified site (I83.9-)
Excludes 2:	retinal varices (H35.0-)

I87

Other disorders of veins [+]

I87.0

Postthrombotic syndrome [+]
Chronic venous hypertension due to deep vein thrombosis
Postphlebitic syndrome

Excludes 1:

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

I87.00

Postthrombotic syndrome without complications [+]
Asymptomatic Postthrombotic syndrome

I87.01

Postthrombotic syndrome with ulcer [+]

Use additional

code to specify site and severity of ulcer (L97.-)

I87.02

Postthrombotic syndrome with inflammation [+]

I87.03

Postthrombotic syndrome with ulcer and inflammation [+]

Use additional

code to specify site and severity of ulcer (L97.-)

I87.09

Postthrombotic syndrome with other complications [+]

I87.1

Compression of vein
Stricture of vein
Vena cava syndrome (inferior) (superior)

Excludes 2:

compression of pulmonary vein (I28.8)

I87.2

Venous insufficiency (chronic) (peripheral)
Stasis dermatitis

Code also	, if applicable, associated hypertensive conditions such as: essential (primary) hypertension (I10) hypertensive chronic kidney disease (I12.-) hypertensive heart and chronic kidney disease (I13.-) hypertensive heart disease (I11.-)
Use additional	code, if applicable, to specify site and severity of ulcer (L97.-)
Excludes 1:	stasis dermatitis with varicose veins of lower extremities (I83.1-, I83.2-)

I87.3

Chronic venous hypertension (idiopathic) [+]
Stasis edema

Excludes 1:

chronic venous hypertension due to deep vein thrombosis (I87.0-)
varicose veins of lower extremities (I83.-)

I87.30

Chronic venous hypertension (idiopathic) without complications [+]
Asymptomatic chronic venous hypertension (idiopathic)

I87.31

Chronic venous hypertension (idiopathic) with ulcer [+]

Use additional

code to specify site and severity of ulcer (L97.-)

I87.32

Chronic venous hypertension (idiopathic) with inflammation [+]

I87.33

Chronic venous hypertension (idiopathic) with ulcer and inflammation [+]

Use additional

code to specify site and severity of ulcer (L97.-)

I87.39

Chronic venous hypertension (idiopathic) with other complications [+]

I87.8

Other specified disorders of veins
Phlebosclerosis
Venofibrosis

I87.9

Disorder of vein, unspecified

I88

Nonspecific lymphadenitis [+]

Excludes 1:

acute lymphadenitis, except mesenteric (L04.-)
enlarged lymph nodes NOS (R59.-)
human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy (B20)

I89

Other noninfective disorders of lymphatic vessels and lymph nodes [+]

Excludes 1:

chylocele, tunica vaginalis (nonfilarial) NOS (N50.89)
enlarged lymph nodes NOS (R59.-)
filarial chylocele (B74.-)
hereditary lymphedema (Q82.0)