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Home/Diagnosis/ICD-10 Coding for Deceased Patient Coding

ICD-10 Coding for Deceased Patient Coding

R99
Z63.4

Complete ICD-10-CM coding and documentation guide for icd-10 coding for deceased patient coding includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Mortality Coding
Death Certificate Coding
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Key Information: ICD-10 Coding for Deceased Patient Coding

Essential facts and insights about ICD-10 Coding for Deceased Patient Coding

Use ICD-10 code R99 for ill-defined and unknown cause of mortality, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Ill-defined and unknown cause of mortality

Billable Code
R99
Billable

Diagnostic Criteria

clinical:
  • Absence of a definitive cause of death after investigation.

Applicable To

  • • Sudden infant death syndrome (SIDS)

Important Notes

  • • Ensure thorough investigation and documentation before using this code.

Disappearance and death of family member

Billable Code
Z63.4
Billable

Important Notes

  • • Pair with mental health codes if grief impacts mental health.
Frequently Asked Questions

How is R99 used in mortality coding?

R99 is used when no definitive cause of death is documented, often requiring an autopsy report for validation.

What is the difference between Z63.4 and F43.21?

Z63.4 is used for family disruption due to death, while F43.21 is for acute grief reactions lasting less than 6 months.

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