2021

  1. ICD-10-CM Codes
    2. ›
  2. I00-I99 Diseases of the circulatory system
    3. ›
  3. I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
    4. ›
  4. I80- Phlebitis and thrombophlebitis
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code I80

2021 ICD-10-CM Diagnosis Code I80

Phlebitis and thrombophlebitis

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • I80 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM I80 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of I80 - other international versions of ICD-10 I80 may differ.
Code First
Code First Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • phlebitis and thrombophlebitis complicating abortion, ectopic or molar pregnancy (
    ICD-10-CM Diagnosis Code O00

    Ectopic pregnancy

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Includes
    • ruptured ectopic pregnancy
    Use Additional
    • code from category O08 to identify any associated complication
    O00
    -
    ICD-10-CM Diagnosis Code O07

    Failed attempted termination of pregnancy

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Includes
    • failure of attempted induction of termination of pregnancy
    • incomplete elective abortion
    Type 1 Excludes
    • incomplete spontaneous abortion (O03.0-)
    O07
    ,
    ICD-10-CM Diagnosis Code O08.7

    Other venous complications following an ectopic and molar pregnancy

      2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
    O08.7
    )
  • phlebitis and thrombophlebitis complicating pregnancy, childbirth and the puerperium (
    ICD-10-CM Diagnosis Code O22
    • O22 Venous complications and hemorrhoids in pregn...
      • O22.0 Varicose veins of lower extremity in pregnanc...
        • O22.00 Varicose veins of lower extremity in pregnanc...
        • O22.01 Varicose veins of lower extremity in pregnanc...
        • O22.02 Varicose veins of lower extremity in pregnanc...
        • O22.03 Varicose veins of lower extremity in pregnanc...
      • O22.1 Genital varices in pregnancy
        • O22.10 Genital varices in pregnancy, unspecified tri...
        • O22.11 Genital varices in pregnancy, first trimester...
        • O22.12 Genital varices in pregnancy, second trimeste...
        • O22.13 Genital varices in pregnancy, third trimester...
      • O22.2 Superficial thrombophlebitis in pregnancy
        • O22.20 Superficial thrombophlebitis in pregnancy, un...
        • O22.21 Superficial thrombophlebitis in pregnancy, fi...
        • O22.22 Superficial thrombophlebitis in pregnancy, se...
        • O22.23 Superficial thrombophlebitis in pregnancy, th...
      • O22.3 Deep phlebothrombosis in pregnancy
        • O22.30 Deep phlebothrombosis in pregnancy, unspecifi...
        • O22.31 Deep phlebothrombosis in pregnancy, first tri...
        • O22.32 Deep phlebothrombosis in pregnancy, second tr...
        • O22.33 Deep phlebothrombosis in pregnancy, third tri...
      • O22.4 Hemorrhoids in pregnancy
        • O22.40 Hemorrhoids in pregnancy, unspecified trimest...
        • O22.41 …… first trimester
        • O22.42 …… second trimester
        • O22.43 …… third trimester
      • O22.5 Cerebral venous thrombosis in pregnancy
        • O22.50 Cerebral venous thrombosis in pregnancy, unsp...
        • O22.51 Cerebral venous thrombosis in pregnancy, firs...
        • O22.52 Cerebral venous thrombosis in pregnancy, seco...
        • O22.53 Cerebral venous thrombosis in pregnancy, thir...
      • O22.8 Other venous complications in pregnancy
        • O22.8X Other venous complications in pregnancy
          • O22.8X1 Other venous complications in pregnancy, firs...
          • O22.8X2 Other venous complications in pregnancy, seco...
          • O22.8X3 Other venous complications in pregnancy, thir...
          • O22.8X9 Other venous complications in pregnancy, unsp...
      • O22.9 Venous complication in pregnancy, unspecified...
        • O22.90 Venous complication in pregnancy, unspecified...
        • O22.91 Venous complication in pregnancy, unspecified...
        • O22.92 Venous complication in pregnancy, unspecified...
        • O22.93 Venous complication in pregnancy, unspecified...
    O22.-
    ,
    ICD-10-CM Diagnosis Code O87
    • O87 Venous complications and hemorrhoids in the p...
      • O87.0 Superficial thrombophlebitis in the puerperiu...
      • O87.1 Deep phlebothrombosis in the puerperium
      • O87.2 Hemorrhoids in the puerperium
      • O87.3 Cerebral venous thrombosis in the puerperium
      • O87.4 Varicose veins of lower extremity in the puer...
      • O87.8 Other venous complications in the puerperium
      • O87.9 Venous complication in the puerperium, unspec...
    O87.-
    )
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as I80. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • venous embolism and thrombosis of lower extremities (
    ICD-10-CM Diagnosis Code I82.4

    Acute embolism and thrombosis of deep veins of lower extremity

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    I82.4-
    ,
    ICD-10-CM Diagnosis Code I82.5

    Chronic embolism and thrombosis of deep veins of lower extremity

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • personal history of venous embolism and thrombosis (Z86.718)
    Use Additional
    • code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
    I82.5-
    ,
    ICD-10-CM Diagnosis Code I82.81

    Embolism and thrombosis of superficial veins of lower extremities

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Embolism and thrombosis of saphenous vein (greater) (lesser)
    I82.81-
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • endophlebitis
  • inflammation, vein
  • periphlebitis
  • suppurative phlebitis
The following code(s) above I80 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to I80:
  • I00-I99
    2021 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • 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 the circulatory system
Clinical Information
  • A disorder characterized by inflammation of the wall of a vein.
  • Inflammation (redness, swelling, pain, and heat) of a vein, usually in the legs. Phlebitis may be caused by infection, injury, or irritation.
  • Inflammation of a vein, often a vein in the leg. Phlebitis associated with a blood clot is called (thrombophlebitis).
  • Inflammation of a vein.
  • Periphlebitis is inflammation of the outer coat of a vein or of tissues surrounding the vein.
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To I80
I77.9 Disorder of arteries and arterioles, unspecified
I78 Diseases of capillaries
I78.0 Hereditary hemorrhagic telangiectasia
I78.1 Nevus, non-neoplastic
I78.8 Other diseases of capillaries
I78.9 Disease of capillaries, unspecified
I79 Disorders of arteries, arterioles and capillaries in diseases classified elsewhere
I79.0 Aneurysm of aorta in diseases classified elsewhere
I79.1 Aortitis in diseases classified elsewhere
I79.8 Other disorders of arteries, arterioles and capillaries in diseases classified elsewhere
I80 Phlebitis and thrombophlebitis
I80.0 Phlebitis and thrombophlebitis of superficial vessels of lower extremities
I80.00 Phlebitis and thrombophlebitis of superficial vessels of unspecified lower extremity
I80.01 Phlebitis and thrombophlebitis of superficial vessels of right lower extremity
I80.02 Phlebitis and thrombophlebitis of superficial vessels of left lower extremity
I80.03 …… bilateral
I80.1 Phlebitis and thrombophlebitis of femoral vein
I80.10 Phlebitis and thrombophlebitis of unspecified femoral vein
I80.11 Phlebitis and thrombophlebitis of right femoral vein
I80.12 Phlebitis and thrombophlebitis of left femoral vein
I80.13 …… bilateral

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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