ICD-9 85204 Code Mapping

Terms & Definitions

Alternative: Single ICD-10 code reproduces the complete meaning of one ICD-9 code. Cluster: Multiple ICD-10 codes representing single ICD-9 code. At times it requires multiple ICD-10 codes combined to reproduce the complete meaning of one ICD-9 code. Mapping Types: "Single Code-to-Single Code", "Single Code-to-Cluster", "Cluster-to-Single Code". Note: More than one ICD-10 code (cluster) may be a valid translation of a given ICD-9 code. Which one of those ICD-10 codes (clusters) is the most correct translation must be determined based on the clinical case.

ICD-9 85204 to ICD-10 Mapping Options

Recommended Mapping (based on statistical analysis)
Source ICD-9	Mapping Type	Target ICD-10
85204 (Diagnosis) - Subarach hem-prolng coma (Subarachnoid hemorrhage following injury without mention of open intracranial wound, with prolonged [more than 24 hours] loss of consciousness and return to pre-existing conscious level)	Single To Single	S066X5A (Diagnosis) - Traum subrac hem w LOC >24 hr w ret consc lev, init (Traumatic subarachnoid hemorrhage with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter)
CMS/CDC General Equivalence Mappings
85204 (Diagnosis) - Subarach hem-prolng coma (Subarachnoid hemorrhage following injury without mention of open intracranial wound, with prolonged [more than 24 hours] loss of consciousness and return to pre-existing conscious level)	Single To Single	Alternative #1: S066X5A (Diagnosis) - Traum subrac hem w LOC >24 hr w ret consc lev, init (Traumatic subarachnoid hemorrhage with loss of consciousness greater than 24 hours with return to pre-existing conscious level, initial encounter)