- I45.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM I45.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I45.9 – other international versions of ICD-10 I45.9 may differ.
ICD-10-CM I45.9 is grouped within Diagnostic Related Group(s):
- 308 Cardiac arrhythmia and conduction disorders with mcc
- 309 Cardiac arrhythmia and conduction disorders with cc
- 310 Cardiac arrhythmia and conduction disorders without cc/mcc
Applicable To
- Heart block NOS
- Stokes-Adams syndrome
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to I45.9:
- block > Arrhythmia (auricle)(cardiac)(juvenile)(nodal)(reflex)(supraventricular)(transitory)(ventricle) I49.9
- Adams-Stokes > Attack, attacks
- Stokes-Adams > Attack, attacks
- arrhythmic > Block, blocked
- cardiac > Block, blocked
- conduction > Block, blocked
- heart > Block, blocked
- conduction (heart) > Defect, defective Q89.9
- conduction (cardiac) (ventricular) > Delay, delayed
- Adams-Stokes (-Morgagni) (syncope with heart block) > Disease, diseased
- Morgagni-Adams-Stokes (syncope with heart block) > Disease, diseased
- Stokes-Adams (syncope with heart block) > Disease, diseased
- conduction, heart > Disorder (of)
- Adams-Stokes (-Morgagni) > Syndrome
- Morgagni-Adams-Stokes > Syndrome
- Spen\’s > Syndrome
- Stokes (-Adams) > Syndrome