P77 | Necrotizing enterocolitis of newborn | NON-BILLABLE CODE |
P77.1 | Stage 1 necrotizing enterocolitis in newborn | BILLABLE CODE |
P77.3 | Stage 3 necrotizing enterocolitis in newborn | BILLABLE CODE |
P77.9 | Necrotizing enterocolitis in newborn, unspecified | BILLABLE CODE |