ICDcodes.org
FY2027

I49.4Other and unspecified premature depolarization

Not billable

Is I49.4 billable?

No — I49.4 is a non-billable header code. I49.4 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 2 billable codes beneath I49.4.

I49.4 at a glance

CodeI49.4
DescriptionOther and unspecified premature depolarization
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Code first — inherited from I49

The underlying condition below must be sequenced before I49.4. I49.4 describes a manifestation and cannot be the principal or first-listed diagnosis.

  • cardiac arrhythmia complicating:
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • obstetric surgery and procedures (O75.4)

Excludes2 — not included here — inherited from Chapter 9

The conditions below are not part of I49.4, but a patient may have both at the same time. When documentation supports it, I49.4 and the excluded code may both be reported.

  • 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.-)

Excludes2 — not included here — inherited from I49

The conditions below are not part of I49.4, but a patient may have both at the same time. When documentation supports it, I49.4 and the excluded code may both be reported.

  • bradycardia NOS (R00.1)
  • neonatal dysrhythmia (P29.1-)
  • sinoatrial bradycardia (R00.1)
  • sinus bradycardia (R00.1)
  • vagal bradycardia (R00.1)

What codes fall under I49.4? (2)

How long has I49.4 existed?

I49.4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the I49 family? (7)