Chapter IX
Diseases of the circulatory system
(I00-I99)

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

I80 Phlebitis and thrombophlebitis
Includes: endophlebitis
inflammation, vein
periphlebitis
suppurative phlebitis
Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced.
Excludes: phlebitis and thrombophlebitis (of):
· complicating:
  · abortion or ectopic or molar pregnancy ( O00-O07 , O08.7 )
  · pregnancy, childbirth and the puerperium ( O22.- , O87.- )
· intracranial and intraspinal, septic or NOS ( G08 )
· intracranial, nonpyogenic ( I67.6 )
· intraspinal, nonpyogenic ( G95.1 )
· portal (vein) ( K75.1 )
postphlebitic syndrome ( I87.0 )
thrombophlebitis migrans ( I82.1 )
I80.0 Phlebitis and thrombophlebitis of superficial vessels of lower extremities
I80.1 Phlebitis and thrombophlebitis of femoral vein
I80.2 Phlebitis and thrombophlebitis of other deep vessels of lower extremities
Deep vein thrombosis NOS
I80.3 Phlebitis and thrombophlebitis of lower extremities, unspecified
Embolism or thrombosis of lower extremity NOS
I80.8 Phlebitis and thrombophlebitis of other sites
I80.9 Phlebitis and thrombophlebitis of unspecified site

I81 Portal vein thrombosis
Portal (vein) obstruction
Excludes: phlebitis of portal vein ( K75.1 )

I82 Other venous embolism and thrombosis
Excludes: venous embolism and thrombosis (of):
· cerebral ( I63.6 , I67.6 )
· complicating:
  · abortion or ectopic or molar pregnancy ( O00-O07 , O08.7 )
  · pregnancy, childbirth and the puerperium ( O22.- , O87.- )
· coronary ( I21-I25 )
· intracranial and intraspinal, septic or NOS ( G08 )
· intracranial, nonpyogenic ( I67.6 )
· intraspinal, nonpyogenic ( G95.1 )
· lower extremities ( I80.- )
· mesenteric ( K55.0 )
· portal ( I81 )
· pulmonary ( I26.- )
I82.0 Budd-Chiari syndrome
I82.1 Thrombophlebitis migrans
I82.2 Embolism and thrombosis of vena cava
I82.3 Embolism and thrombosis of renal vein
I82.8 Embolism and thrombosis of other specified veins
I82.9 Embolism and thrombosis of unspecified vein
Embolism of vein NOS
Thrombosis (vein) NOS

I83 Varicose veins of lower extremities
Excludes: complicating:
· pregnancy ( O22.0 )
· puerperium ( O87.8 )
I83.0 Varicose veins of lower extremities with ulcer
Any condition in I83.9 with ulcer or specified as ulcerated
Varicose ulcer (lower extremity, any part)
I83.1 Varicose veins of lower extremities with inflammation
Any condition in I83.9 with inflammation or specified as inflamed Stasis dermatitis NOS
I83.2 Varicose veins of lower extremities with both ulcer and inflammation
Any condition in I83.9 with both ulcer and inflammation
I83.9 Varicose veins of lower extremities without ulcer or inflammation
Phlebectasia
Varicose veins
Varix
}
}
}
of lower extremity [any part] or of unspecified site

I84 Haemorrhoids
Includes: piles
varicose veins of anus and rectum
Excludes: complicating:
· childbirth and the puerperium ( O87.2 )
· pregnancy ( O22.4 )
I84.0 Internal thrombosed haemorrhoids
I84.1 Internal haemorrhoids with other complications
Internal haemorrhoids:
· bleeding
· prolapsed
· strangulated
· ulcerated
I84.2 Internal haemorrhoids without complication
Internal haemorrhoids NOS
I84.3 External thrombosed haemorrhoids
I84.4 External haemorrhoids with other complications
External haemorrhoids:
· bleeding
· prolapsed
· strangulated
· ulcerated
I84.5 External haemorrhoids without complication
External haemorrhoids NOS
I84.6 Residual haemorrhoidal skin tags
Skin tags of anus or rectum
I84.7 Unspecified thrombosed haemorrhoids
Thrombosed haemorrhoids, unspecified whether internal or external
I84.8 Unspecified haemorrhoids with other complications
Haemorrhoids, unspecified whether internal or external:
· bleeding
· prolapsed
· strangulated
· ulcerated
I84.9 Unspecified haemorrhoids without complication
Haemorrhoids NOS

I85 Oesophageal varices
I85.0 Oesophageal varices with bleeding
I85.9 Oesophageal varices without bleeding
Oesophageal varices NOS

I86 Varicose veins of other sites
Excludes: retinal varices ( H35.0 )
varicose veins of unspecified site ( I83.9 )
I86.0 Sublingual varices
I86.1 Scrotal varices
Varicocele
I86.2 Pelvic varices
I86.3 Vulval varices
Excludes: complicating:
· childbirth and the puerperium ( O87.8 )
· pregnancy ( O22.1 )
I86.4 Gastric varices
I86.8 Varicose veins of other specified sites
Varicose ulcer of nasal septum

I87 Other disorders of veins
I87.0 Postphlebitic syndrome
I87.1 Compression of vein
Stricture of vein
Vena cava syndrome (inferior)(superior)
Excludes: pulmonary ( I28.8 )
I87.2 Venous insufficiency (chronic)(peripheral)
I87.8 Other specified disorders of veins
I87.9 Disorder of vein, unspecified

I88 Nonspecific lymphadenitis
Excludes: acute lymphadenitis, except mesenteric ( L04.- )
enlarged lymph nodes NOS ( R59.- )
human immunodeficiency virus [HIV] disease resulting in generalized lymphadenopathy ( B23.1 )
I88.0 Nonspecific mesenteric lymphadenitis
Mesenteric lymphadenitis (acute)(chronic)
I88.1 Chronic lymphadenitis, except mesenteric
Adenitis
Lymphadenitis
}
}
chronic, any lymph node except mesenteric
I88.8 Other nonspecific lymphadenitis
I88.9 Nonspecific lymphadenitis, unspecified
Lymphadenitis NOS

I89 Other noninfective disorders of lymphatic vessels and lymph nodes
Excludes: chylocele:
· filarial ( B74.- )
· tunica vaginalis (nonfilarial) NOS ( N50.8 )
enlarged lymph nodes NOS ( R59.- )
hereditary lymphoedema ( Q82.0 )
postmastectomy lymphoedema ( I97.2 )
I89.0 Lymphoedema, not elsewhere classified
Lymphangiectasis
I89.1 Lymphangitis
Lymphangitis:
· NOS
· chronic
· subacute
Excludes: acute lymphangitis ( L03.- )
I89.8 Other specified noninfective disorders of lymphatic vessels and lymph nodes
Chylocele (nonfilarial)
Lipomelanotic reticulosis
I89.9 Noninfective disorder of lymphatic vessels and lymph nodes, unspecified
Disease of lymphatic vessels NOS