- I45.5 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 I45.5 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I45.5 – other international versions of ICD-10 I45.5 may differ.
ICD-10-CM I45.5 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
- Sinoatrial block
- Sinoauricular block
Type 1 Excludes
- heart block NOS (I45.9)
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 I45.5:
- sinus > Arrest, arrested
- arborization (heart) > Block, blocked
- specified type NEC > heart I45.9
- nodal > Block, blocked
- sinoatrial > Block, blocked
- sinoauricular > Block, blocked
- arrest > Sinus
- pause > Sinus
- auricular > Standstill
- sinoatrial > Standstill