S42.312
⚠ Non-billable (Header)Greenstick fracture of shaft of humerus, left arm
Injury, poisoning and certain other consequences of external causes (S00-T88)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for S42.312
Child Codes (6)
S42.312AGreenstick fracture of shaft of humerus, left arm, initial encounter for closed fractureS42.312DGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with routine healingS42.312GGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with delayed healingS42.312KGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with nonunionS42.312PGreenstick fracture of shaft of humerus, left arm, subsequent encounter for fracture with malunionS42.312SGreenstick fracture of shaft of humerus, left arm, sequela
🧪 Validate Combinations
Add S42.312 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
CodeS42.312
BillableNo — Header code
ParentS42.31
CategoryInjury, poisoning and certain other consequences of external causes (S00-T88)
Excludes10 rule(s)
Excludes20 note(s)
Child codes6
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)