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ICD-10-CM Codes
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I00-I99
Diseases of the circulatory system
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I80-I89
Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
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I80-
Phlebitis and thrombophlebitis
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2021 ICD-10-CM Diagnosis Code I80.21
2021 ICD-10-CM Diagnosis Code I80.21
Phlebitis and thrombophlebitis of iliac vein
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- I80.21 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 I80.21 became effective on October 1, 2020.
- This is the American ICD-10-CM version of I80.21 - other international versions of ICD-10 I80.21 may differ.
Applicable To- Phlebitis and thrombophlebitis of common iliac vein
- Phlebitis and thrombophlebitis of external iliac vein
- Phlebitis and thrombophlebitis of internal iliac vein
The following code(s) above
I80.21 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
I80.21:
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
- Phlebitis (infective) (pyemic) (septic) (suppurative) I80.9
ICD-10-CM Diagnosis Code I80.9
Phlebitis and thrombophlebitis of unspecified site
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- leg I80.3
ICD-10-CM Diagnosis Code I80.3
Phlebitis and thrombophlebitis of lower extremities, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- deep (vessels) I80.20-
ICD-10-CM Diagnosis Code I80.20-
Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- iliac vein I80.21- (common) (external) (internal)
- Thrombophlebitis I80.9
ICD-10-CM Diagnosis Code I80.9
Phlebitis and thrombophlebitis of unspecified site
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- iliac vein I80.21- (common) (external) (internal)
ICD-10-CM Codes Adjacent To I80.21
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
I80.2 Phlebitis and thrombophlebitis of other and unspecified deep vessels of lower extremities
I80.20 Phlebitis and thrombophlebitis of unspecified deep vessels of lower extremities
I80.201 Phlebitis and thrombophlebitis of unspecified deep vessels of right lower extremity
I80.202 Phlebitis and thrombophlebitis of unspecified deep vessels of left lower extremity
I80.209 Phlebitis and thrombophlebitis of unspecified deep vessels of unspecified lower extremity
I80.21
Phlebitis and thrombophlebitis of iliac vein
I80.211 Phlebitis and thrombophlebitis of right iliac vein
I80.212 Phlebitis and thrombophlebitis of left iliac vein
I80.219 Phlebitis and thrombophlebitis of unspecified iliac vein
I80.22 Phlebitis and thrombophlebitis of popliteal vein
I80.221 Phlebitis and thrombophlebitis of right popliteal vein
I80.222 Phlebitis and thrombophlebitis of left popliteal vein
I80.229 Phlebitis and thrombophlebitis of unspecified popliteal vein
I80.23 Phlebitis and thrombophlebitis of tibial vein
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.