Convert to ICD-10-CM: 
870.3 converts approximately to:
- 2015/16 ICD-10-CM S05.40XA Penetrating wound of orbit with or without foreign body, unspecified eye, initial encounter
 ICD-9-CM Volume 2 Index entries containing back-references to 
870.3:
- Injury 959.9  orbit, orbital (region) 921.2 orbit, orbital (region) 921.2   penetrating 870.3 penetrating 870.3   with foreign body 870.4 with foreign body 870.4 
   lobe - see Injury, intracranial lobe - see Injury, intracranial
 
 
 
- Laceration - see also Wound, open, by site ocular NEC (see also Laceration, eyeball) 871.4 ocular NEC (see also Laceration, eyeball) 871.4 
  orbit (eye) 870.8 orbit (eye) 870.8   penetrating 870.3 penetrating 870.3
 
 
- Penetrating wound - see also Wound, open, by site ocular (see also Penetrating wound, eyeball) 871.7 ocular (see also Penetrating wound, eyeball) 871.7   adnexa 870.3 adnexa 870.3
 
  orbit 870.3 orbit 870.3
 
- Wound, open (by cutting or piercing instrument) (by firearms) (cut) (dissection) (incised) (laceration) (penetration) (perforating) (puncture) (with initial hemorrhage, not internal) 879.8  ocular NEC 871.9 ocular NEC 871.9   adnexa 870.9 adnexa 870.9    specified region NEC 870.8 specified region NEC 870.8 
 
  laceration (see also Laceration, ocular) 871.4 laceration (see also Laceration, ocular) 871.4 
  muscle (extraocular) 870.3 muscle (extraocular) 870.3   with foreign body 870.4 with foreign body 870.4 
   eyelid 870.1 eyelid 870.1 
   intraocular - see Wound, open, eyeball intraocular - see Wound, open, eyeball
 
  penetrating (see also Penetrating wound, ocular) 871.7 penetrating (see also Penetrating wound, ocular) 871.7 
 
  orbit 870.8 orbit 870.8   penetrating 870.3 penetrating 870.3