Hospital-acquired pneumonia (HAP) in ICD10

This page contains an ICD10 Coding Guideline for ICD10 collection. See ICD10 coding guidelines for similar pages.

This page explains how to code Hospital Acquired Pneumonia (HAP) in ICD10. Hospital-acquired pneumonia (HAP) is a type of nosocomial pneumonia that is contracted by a non-ventilated patient after at least 48 hours of being admitted to a hospital.

Coding instructions

• HAP is indicated by combined coding three separate ICD10 codes:
  • (1) Iatrogenic, complication of medical or surgical care NOS PLUS
  • (2) One of the codes for specific types of organisms:
    • Pneumonia, bacterial
    • Pneumonia, fungal/yeast
    • Pneumonia, viral
    • Pneumonia, NOS
  • (3) relevant Pathogens, possibly Infectious organism, unknown or an NOS

Alternate ICD10s to consider coding instead or in addition

• Pneumonia, ventilator-associated (VAP)
• Community-acquired pneumonia (CAP) in ICD10

Additional Info

• If there is insufficient criteria for a Pneumonia, ventilator-associated (VAP) in ventilated patients with positive cultures, the patient may still have HAP.
• Patients from Grace Nursing Home Ward - even though this is considered a nursing home type ward, for patients who acquire a pneumonia and meet the HAP criteria code HAP.

Pneumonia develops less than 48 hours of receiving patient to your unit from another inpatient unit

• If a patient is transfered from another ward and develops HAP positive culture within 48 hours of tranfer to your unit then the HAP belongs to the sending facility/ward/ICU and should be in your admit diagnosis not acquired? Please give direction.