ICD10BillableValid for clinical use
ICD-10 Code I82.1: Thrombophlebitis migrans
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).
When is it used?
- May be used when a clinician documents thrombophlebitis migrans in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
9Diseases of the circulatory system (I00-I99)
block
I80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
category
I82Other venous embolism and thrombosis
currentI82
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
CardiologistGeneral Physician
Related codes
I82.0Budd-Chiari syndromecodeI82.2Embolism and thrombosis of vena cava and other thoracic veinscategoryI82.3Embolism and thrombosis of renal veincodeI82.4Acute embolism and thrombosis of deep veins of lower extremitycategoryI82.5Chronic embolism and thrombosis of deep veins of lower extremitycategoryI82.6Acute embolism and thrombosis of veins of upper extremitycategoryI82.7Chronic embolism and thrombosis of veins of upper extremitycategoryI82.AEmbolism and thrombosis of axillary veincategoryI82.BEmbolism and thrombosis of subclavian veincategoryI82.CEmbolism and thrombosis of internal jugular veincategoryI82.8Embolism and thrombosis of other specified veinscategoryI82.9Embolism and thrombosis of unspecified veincategory
Sibling codes
I82.0Budd-Chiari syndromebillableI82.2Embolism and thrombosis of vena cava and other thoracic veinsI82.3Embolism and thrombosis of renal veinbillableI82.4Acute embolism and thrombosis of deep veins of lower extremityI82.5Chronic embolism and thrombosis of deep veins of lower extremityI82.6Acute embolism and thrombosis of veins of upper extremityI82.7Chronic embolism and thrombosis of veins of upper extremityI82.AEmbolism and thrombosis of axillary veinI82.BEmbolism and thrombosis of subclavian veinI82.CEmbolism and thrombosis of internal jugular veinI82.8Embolism and thrombosis of other specified veinsI82.9Embolism and thrombosis of unspecified vein
Coverage-related procedures and services
CPT 93970high
DUPLEX SCAN OF EXTREMITY VEINS INCLUDING RESPONSES TO COMPRESSION AND OTHER MANEUVERS; COMPLETE BILATERAL STUDY
Source: CMS coverage guidance
CPT 93971high
DUPLEX SCAN OF EXTREMITY VEINS INCLUDING RESPONSES TO COMPRESSION AND OTHER MANEUVERS; UNILATERAL OR LIMITED STUDY
Source: CMS coverage guidance
CPT 81203high
APC (ADENOMATOUS POLYPOSIS COLI) (EG, FAMILIAL ADENOMATOSIS POLYPOSIS [FAP], ATTENUATED FAP) GENE ANALYSIS; DUPLICATION/DELETION VARIANTS
Source: CMS coverage guidance
CPT 81201high
APC (ADENOMATOUS POLYPOSIS COLI) (EG, FAMILIAL ADENOMATOSIS POLYPOSIS [FAP], ATTENUATED FAP) GENE ANALYSIS; FULL GENE SEQUENCE
Source: CMS coverage guidance
CPT 81202high
APC (ADENOMATOUS POLYPOSIS COLI) (EG, FAMILIAL ADENOMATOSIS POLYPOSIS [FAP], ATTENUATED FAP) GENE ANALYSIS; KNOWN FAMILIAL VARIANTS
Source: CMS coverage guidance
CPT 81490high
AUTOIMMUNE (RHEUMATOID ARTHRITIS), ANALYSIS OF 12 BIOMARKERS USING IMMUNOASSAYS, UTILIZING SERUM, PROGNOSTIC ALGORITHM REPORTED AS A DISEASE ACTIVITY SCORE
Source: CMS coverage guidance
Mapped diagnoses and classifications
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
I82.1
Common synonyms
Thrombophlebitis migrans
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.