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ICD-10-CM
R00-R99
R99
R99
R99
2026
Billable
Ill-defined and unknown cause of mortality
Clinical Notes
Notes
2
Additional information
FAQ
Is R99 a billable ICD-10 code?
What does ICD-10 code R99 mean?
What is the parent category for ICD-10 code R99?
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2 codes
Related Codes
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R99
Ill-defined and unknown cause of mortality (R99)
R99
Ill-defined and unknown cause of mortality
Show Notes
2026