I44
Non-billableAtrioventricular and left bundle-branch block
Atrioventricular and left bundle-branch block
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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.-)
Child Codes (8)
I44.0Atrioventricular block, first degree
I44.1Atrioventricular block, second degree
I44.2Atrioventricular block, complete
I44.3Other and unspecified atrioventricular block
I44.4Left anterior fascicular block
I44.5Left posterior fascicular block
I44.6Other and unspecified fascicular block
I44.7Left bundle-branch block, unspecified
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code I44?
ICD-10-CM code I44 represents "Atrioventricular and left bundle-branch block". It is a non-billable header code — use a more specific child code for billing purposes.
Is I44 a billable code?
No, I44 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under I44.
What chapter is I44 in?
I44 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What are the subcategories under I44?
I44 has 8 child codes, including: I44.0 (Atrioventricular block, first degree), I44.1 (Atrioventricular block, second degree), I44.2 (Atrioventricular block, complete), I44.3 (Other and unspecified atrioventricular block), and 4 more.
What are the UMLS CUIs for I44?
I44 is linked to 1 UMLS Concept Unique Identifier: C0494595. 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.