I80.9
BillablePhlebitis and thrombophlebitis of unspecified site
Phlebitis and thrombophlebitis of unspecified site
Coding Notes
Includes
Conditions included under this code
- endophlebitis
- inflammation, vein
- periphlebitis
- suppurative phlebitis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •transient cerebral ischemic attacks and related syndromesG45
Code First
The underlying condition must be sequenced before this code
Related Codes(5)
I80.0Phlebitis and thombophlb of superficial vessels of low extrm
I80.1Phlebitis and thrombophlebitis of femoral vein
I80.2Phlbts and thombophlb of and unsp deep vessels of low extrm
I80.3Phlebitis and thrombophlebitis of lower extremities, unsp
I80.8Phlebitis and thrombophlebitis of other sites
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(58)
SNOMED CT
- Superficial phlebitis2477008
- Superficial thrombophlebitis2477008
- Deep thrombophlebitis16750002
- Periphlebitis36675003
- Endophlebitis54771008
- Inflammation of vein61599003
- Phlebitis61599003
- Thrombophlebitis64156001
- Suppurative phlebitis77910001
- Neonatal thrombophlebitis95620003
- Thrombophlebitis of the newborn95620003
- Phlebitis after infusion213308006
- Thrombophlebitis after infusion213310008
- Radiation thrombophlebitis234047000
- Thrombophlebitis caused by radiation234047000
- Post-phlebitic disorder410012006
- Post-phlebitic sequela410012006
- Sequela of phlebitis410012006
- Septic thrombophlebitis439731006
- Phlebitis following perfusion789666007
- Phlebitis following transfusion789667003
- Phlebitis due to procedure789668008
- Phlebitis during procedure789669000
- Thrombophlebitis during procedure789671000
- Thrombophlebitis due to procedure789672007
- Thrombophlebitis following perfusion789681001
- Thrombophlebitis following transfusion789682008
- Superficial thrombophlebitis following administration of drug via intravenous route1256043002
UMLS
Clinical Terms
- Neonatal thrombophlebitis
- Thrombophlebitis caused by radiation
- Periphlebitis
- Endophlebitis
- Phlebitis after infusion
- Inflammation of vein
- Superficial phlebitis
- Phlebitis during procedure
- Thrombophlebitis
- Post-phlebitic sequela
- Thrombophlebitis after infusion
- Phlebitis following transfusion
- Sequela of phlebitis
- Suppurative phlebitis
- Thrombophlebitis of the newborn
- Post-phlebitic disorder
- Superficial thrombophlebitis
- Deep thrombophlebitis
- Superficial thrombophlebitis following administration of drug via intravenous route
- Thrombophlebitis during procedure
- Thrombophlebitis following transfusion
- Radiation thrombophlebitis
- Thrombophlebitis following perfusion
- Phlebitis
- Septic thrombophlebitis
- Thrombophlebitis due to procedure
- Phlebitis following perfusion
- Phlebitis due to procedure
Frequently Asked Questions
What is the ICD-10 code for phlebitis and thrombophlebitis of unspecified site?
The ICD-10-CM code for phlebitis and thrombophlebitis of unspecified site is I80.9. The full clinical description is "Phlebitis and thrombophlebitis of unspecified site". I80.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I80.9 mean?
ICD-10-CM code I80.9 represents “Phlebitis and thrombophlebitis of unspecified site”. It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.
Is I80.9 a billable code?
Yes, I80.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I80.9 in?
I80.9 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I80.9?
I80.9 has Excludes1 notes indicating codes that cannot be used together with it, including: venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-).
What SNOMED CT codes does I80.9 map to?
I80.9 maps to 22 SNOMED CT concepts: 16750002, 54771008, 61599003, 95620003, 36675003, and 17 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I80.9?
I80.9 is linked to 1 UMLS Concept Unique Identifier: C1367972. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I80.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like phlebitis and thrombophlebitis of unspecified site affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of I80.9?
I80.9 maps to the ICD-11 code: BD70.Z (Superficial thrombophlebitis, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.