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ICD-10-CM 2027

ICD-10 code for AIPHI)

R04.81

Acute idiopathic pulmonary hemorrhage in infants

From the official ICD-10-CM alphabetic index entry “AIPHI (acute idiopathic pulmonary hemorrhage in infants (over 28 days old))”. Page updated September 29, 2026.

About coding AIPHI)

The ICD-10-CM code for AIPHI) is R04.81 (Acute idiopathic pulmonary hemorrhage in infants).

Within R04.8 (hemorrhage from other sites in respiratory passages), R04.81 is specifically for acute idiopathic pulmonary hemorrhage in infants. Related codes cover hemorrhage from other sites in respiratory passages (R04.89).

Don't report R04.81 together with the conditions in its Excludes1 note: perinatal pulmonary hemorrhage (P26.-) and von Willebrand disease (D68.0-).

As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.

Don't confuse with (Excludes1 for R04.81)

  • perinatal pulmonary hemorrhage (P26.-)
  • von Willebrand disease (D68.0-)

Common questions about AIPHI) ICD-10 codes

What is the ICD-10 code for AIPHI)?

R04.81 — Acute idiopathic pulmonary hemorrhage in infants.

Is R04.81 billable?

Yes. R04.81 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can R04.81 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict R04.81 as a principal diagnosis.

Is R04.81 a CC or MCC?

R04.81 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.