I44.4
BillableLeft anterior fascicular block
Left anterior fascicular block
Coding Notes
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.-)
Also Known As / Clinical Terms
SNOMED CT
- Monofascicular block2374000
- RBBB - Right bundle branch block with left anterior fascicular block30667004
- Right bundle branch block AND left anterior fascicular block30667004
- Right bundle branch block with left anterior fascicular block30667004
- Right bundle branch block with left bundle branch block32758004
- Right bundle branch block with left main stem bundle branch block32758004
- LAFB - Left anterior fascicular block37760005
- Left anterior fascicular block37760005
- Left anterior hemiblock37760005
- Bifascicular block74021003
- ECG: right bundle branch block164907000
- EKG: right bundle branch block164907000
- Electrocardiographic right bundle branch block164907000
- Right bundle branch block (RBBB) on electrocardiogram164907000
- ECG: LBBB - left bundle branch block164909002
- ECG: left bundle branch block164909002
- EKG: left bundle branch block164909002
- Electrocardiographic left bundle branch block164909002
- ECG: left anterior fascicular block445118002
- Electrocardiogram: left anterior fascicular block445118002
- Left anterior fascicular block on electrocardiogram445118002
- Right bundle branch block and left anterior fascicular block on electrocardiogram445263008
- Bifascicular block on electrocardiogram445481009
Frequently Asked Questions
What is the ICD-10 code for left anterior fascicular block?
The ICD-10-CM code for left anterior fascicular block is I44.4. The full clinical description is "Left anterior fascicular block". I44.4 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I44.4 mean?
ICD-10-CM code I44.4 represents "Left anterior fascicular block". 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 I44.4 a billable code?
Yes, I44.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I44.4 in?
I44.4 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What SNOMED CT codes does I44.4 map to?
I44.4 maps to 10 SNOMED CT concepts: 74021003, 445481009, 164909002, 445118002, 164907000, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I44.4?
I44.4 is linked to 1 UMLS Concept Unique Identifier: C0264912. 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.