I45.9
Conduction disorder, unspecified
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Heart block NOS Stokes-Adams syndrome
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.-)
Official Guidelines for I45.9
FY 2026 ›Find I45.9 in the alphabetic index
22 index paths lead to this code
- Adams-Stokes disease or syndrome
- Dropped heart beats
- Morgagni-Stokes-Adams syndrome
- Spens' syndrome
- Stokes-Adams disease 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
- Syndrome › Adams-Stokes
- Syndrome › Morgagni-Adams-Stokes
- Syndrome › Spen's
- Syndrome › Stokes