ICD-10-CM
ICD-10 code for Standstill auricular: I45.5
The ICD-10-CM index points "Standstill auricular" to I45.5, Other specified heart block. I45.5 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in I45
A header groups codes and is not billed. A billable code is one you can report.
- I45Other conduction disordersHeader
- I45.0Right fascicular blockBillable
- I45.1Other and unspecified right bundle-branch blockHeader
- I45.10Unspecified right bundle-branch blockBillable
- I45.19Other right bundle-branch blockBillable
- I45.2Bifascicular blockBillable
- I45.3Trifascicular blockBillable
- I45.4Nonspecific intraventricular blockBillable
- I45.5Other specified heart blockBillable
- I45.6Pre-excitation syndromeBillable
- I45.8Other specified conduction disordersHeader
- I45.81Long QT syndromeBillable
- I45.89Other specified conduction disordersBillable
- I45.9Conduction disorder, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
Related conditions
Related pages
- I45.5 code detailsNotes, nearby codes, CMS-HCC group
- Category I45Every code under it
- Chapter 9Diseases of the circulatory system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Standstill auricular?
The ICD-10-CM index points "Standstill auricular" to I45.5, Other specified heart block. I45.5 is a billable code.
Is I45.5 billable?
Yes. I45.5 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to I45.5?
The CDC tabular list gives 1 Excludes1 note (not coded together) for I45.5 and the categories above it. They are listed on this page.
What chapter is I45.5 in?
Chapter 9. Diseases of the circulatory system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.