2025 ICD-10-CM Diagnosis Code Z51.A

Encounter for sepsis aftercare

• Z51.A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• ICD-10-CM Z51.A is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
• This is the American ICD-10-CM version of Z51.A – other international versions of ICD-10 Z51.A may differ.

The following code(s) above Z51.A contain annotation back-references

 that may be applicable to Z51.A:

• Z00-Z99  Factors influencing health status and contact with health services
• Z40-Z53  Encounters for other specific health care
• Z51  Encounter for other aftercare and medical care

Present On Admission

• Z51.A is considered exempt from POA reporting.

ICD-10-CM Z51.A is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 949 Aftercare with cc/mcc
• 950 Aftercare without cc/mcc

Code History

• 2025 (effective 10/1/2024): New code

Diagnosis Index entries containing back-references to Z51.A:

• Admission (for) – see also Encounter (for)
  • aftercareZ51.89 – see also Aftercare
    • sepsis Z51.A