ICD-10 Code: R99 – Ill-defined and unknown cause of mortality

ICD-10 code R99 corresponds to Ill-defined and unknown cause of mortality. This code is classified under the chapter R99-R99: Ill-defined and unknown cause of mortality, which is part of the R99-R99: Ill-defined and unknown cause of mortality category.

The parent chapter is Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.