I65.21
BillableOcclusion and stenosis of right carotid artery
Occlusion and stenosis of right carotid artery
Coding Notes
Includes
Conditions included under this code
- embolism of precerebral artery
- narrowing of precerebral artery
- obstruction (complete) (partial) of precerebral artery
- thrombosis of precerebral artery
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- traumatic intracranial hemorrhage (S06.-)
- insufficiency, NOS, of precerebral artery (G45.-)
- insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2)
Excludes 2
Conditions not included here, but the patient may have both
- 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.-)
Use Additional Code
Additional codes that should follow this code
Also Known As / Clinical Terms
SNOMED CT
- Carotid artery obstruction69798007
- Carotid artery embolism80606009
- Carotid embolus80606009
- Carotid artery thrombosis86003009
- ICA - Internal carotid artery stenosis233964008
- Internal carotid artery stenosis233964008
- Carotid artery occlusion266254007
- Occlusion of carotid artery266254007
- Internal carotid artery thrombosis425420004
- Thrombosis internal carotid artery425420004
- Thrombosis of internal carotid artery425420004
- Right carotid artery thrombosis734382000
- Thrombosis of right carotid artery734382000
- Embolism of right carotid artery1153631008
- Embolus of right carotid artery1153631008
- Occlusion of right carotid artery285171000119104
- Right carotid artery occlusion285171000119104
- Occlusion of right carotid artery by embolus455831000124104
- Occlusive embolus of right carotid artery455831000124104
- Right carotid artery stenosis285201000119100
- Stenosis of right carotid artery285201000119100
- Right cavernous carotid stenosis12720001000004100
- Stenosis of cavernous portion of right internal carotid artery12720001000004100
- Thrombosis of right internal carotid artery15707841000119101
Frequently Asked Questions
What is the ICD-10 code for occlusion and stenosis of right carotid artery?
The ICD-10-CM code for occlusion and stenosis of right carotid artery is I65.21. The full clinical description is "Occlusion and stenosis of right carotid artery". I65.21 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I65.21 mean?
ICD-10-CM code I65.21 represents "Occlusion and stenosis of right carotid artery". 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 I65.21 a billable code?
Yes, I65.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I65.21 in?
I65.21 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I65.21?
I65.21 has Excludes1 notes indicating codes that cannot be used together with it, including: traumatic intracranial hemorrhage (S06.-); insufficiency, NOS, of precerebral artery (G45.-); insufficiency of precerebral arteries causing cerebral infarction (I63.0-I63.2).
Are additional codes required with I65.21?
Yes, when using I65.21 you should also code: code to identify presence of:; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); hypertension (I10-I1A); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).
What SNOMED CT codes does I65.21 map to?
I65.21 maps to 13 SNOMED CT concepts: 80606009, 69798007, 266254007, 86003009, 1153631008, and 8 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I65.21?
I65.21 is linked to 1 UMLS Concept Unique Identifier: C2882421. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.