Convert to ICD-10-CM: 
871.9 converts approximately to:
- 2015/16 ICD-10-CM S05.90XA Unspecified injury of unspecified eye and orbit, initial encounter
 ICD-9-CM Volume 2 Index entries containing back-references to 
871.9:
- Wound, open (by cutting or piercing instrument) (by firearms) (cut) (dissection) (incised) (laceration) (penetration) (perforating) (puncture) (with initial hemorrhage, not internal) 879.8  anterior chamber, eye (see also Wound, open, intraocular) 871.9 anterior chamber, eye (see also Wound, open, intraocular) 871.9
  ciliary body (eye) (see also Wound, open, intraocular) 871.9 ciliary body (eye) (see also Wound, open, intraocular) 871.9
  cornea (nonpenetrating) (see also Wound, open, intraocular) 871.9 cornea (nonpenetrating) (see also Wound, open, intraocular) 871.9
  Descemet's membrane (see also Wound, open, intraocular) 871.9 Descemet's membrane (see also Wound, open, intraocular) 871.9
  eyeball NEC 871.9 eyeball NEC 871.9  laceration (see also Laceration, eyeball) 871.4 laceration (see also Laceration, eyeball) 871.4 
  penetrating (see also Penetrating wound, eyeball) 871.7 penetrating (see also Penetrating wound, eyeball) 871.7 
 
  globe (eye) (see also Wound, open, eyeball) 871.9 globe (eye) (see also Wound, open, eyeball) 871.9
  intraocular 871.9 intraocular 871.9  with with   partial loss (of intraocular tissue) 871.2 partial loss (of intraocular tissue) 871.2 
   prolapse or exposure (of intraocular tissue) 871.1 prolapse or exposure (of intraocular tissue) 871.1 
 
  laceration (see also Laceration, eyeball) 871.4 laceration (see also Laceration, eyeball) 871.4 
  penetrating 871.7 penetrating 871.7    with foreign body (nonmagnetic) 871.6 with foreign body (nonmagnetic) 871.6 
 
  without prolapse (of intraocular tissue) 871.0 without prolapse (of intraocular tissue) 871.0 
 
  iris (see also Wound, open, eyeball) 871.9 iris (see also Wound, open, eyeball) 871.9
  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 
 
  sclera (see also Wound, open, intraocular) 871.9 sclera (see also Wound, open, intraocular) 871.9