Conduction disorder, unspecified
Billable / specific
I45.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Heart block NOS
- Stokes-Adams syndrome
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from I45)
- certain infectious and parasitic diseases (A00-B99) (from I45)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from I45)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from I45)
- endocrine, nutritional and metabolic diseases (E00-E88) (from I45)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from I45)
- neoplasms (C00-D49) (from I45)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from I45)
- systemic connective tissue disorders (M30-M36) (from I45)
- transient cerebral ischemic attacks and related syndromes (G45.-) (from I45)
Also known as
- Heart block NOS
- Stokes-Adams syndrome
- Adams-Stokesdisease or syndrome
- Arrhythmia, block
- Attack, attacks, Adams-Stokes
- Attack, attacks, Stokes-Adams
- Block, blocked, arrhythmic
- Block, blocked, cardiac
- Block, blocked, conduction
- Block, blocked, heart
- Defect, defective, conduction
- Delay, delayed, conduction
- Disease, diseased, Adams-Stokes
- Disease, diseased, Morgagni-Adams-Stokes
- Disease, diseased, Stokes-Adams
- Disorder, conduction, heart
- Dropped heart beats
Parent code
- I45Other conduction disordersHeader
Related codes
- I45.0Right fascicular blockBillable
- I45.1Other and unspecified right bundle-branch blockHeader
- I45.2Bifascicular blockBillable
- I45.3Trifascicular blockBillable
- I45.4Nonspecific intraventricular blockBillable
- I45.5Other specified heart blockBillable
- I45.6Pre-excitation syndromeBillable
- I45.8Other specified conduction disordersHeader