HOMOVANILLIC ACID, RANDOM or 24 HOUR URINE
| Synonyms: | HVA |
| Computer Code: | (CMISC) |
| Specimen Collection: | Random urine: 25 mL minimum. Place on wet ice. Transport immediately. (Pediatric specimens only.) 24 Hour Urine: Collect in plain bottle. Refrigerate during collection. |
| Minimum Volume: | 25 mL |
| Handling Instructions for Offsite Areas: | Random urine & 24 hour Urine: Refrigerate. Send with minimum 25 mL aliquot. Record total volume and collect period (hours) on requisition. |
| Reference Values: | See reference laboratory report. |
| Lab Code: | Send Out |
| Requisition: | SPEC |
| Test Frequency: | |
| Routine TAT: | 7 days |
| Stat TAT: | Call lab |
| CPT Code(s): | 83150 |
| LCD or NCD: | |
| Methodology Used: |
See Addendum XVII |