Convert to ICD-10-CM: 
998.12 converts approximately to:
- 2015/16 ICD-10-CM D78.01 Intraoperative hemorrhage and hematoma of the spleen complicating a procedure on the spleenOr: 
- 2015/16 ICD-10-CM D78.02 Intraoperative hemorrhage and hematoma of the spleen complicating other procedureOr: 
- 2015/16 ICD-10-CM D78.21 Postprocedural hemorrhage and hematoma of the spleen following a procedure on the spleenOr: 
- 2015/16 ICD-10-CM D78.22 Postprocedural hemorrhage and hematoma of the spleen following other procedureOr: 
- 2015/16 ICD-10-CM E36.01 Intraoperative hemorrhage and hematoma of an endocrine system organ or structure complicating an endocrine system procedureOr: 
- 2015/16 ICD-10-CM E36.02 Intraoperative hemorrhage and hematoma of an endocrine system organ or structure complicating other procedureOr: 
- 2015/16 ICD-10-CM G97.31 Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating a nervous system procedureOr: 
- 2015/16 ICD-10-CM G97.32 Intraoperative hemorrhage and hematoma of a nervous system organ or structure complicating other procedureOr: 
- 2015/16 ICD-10-CM G97.51 Postprocedural hemorrhage and hematoma of a nervous system organ or structure following a nervous system procedureOr: 
- 2015/16 ICD-10-CM G97.52 Postprocedural hemorrhage and hematoma of a nervous system organ or structure following other procedureOr: 
- 2015/16 ICD-10-CM H59.111 Intraoperative hemorrhage and hematoma of right eye and adnexa complicating an ophthalmic procedureOr: 
- 2015/16 ICD-10-CM H59.112 Intraoperative hemorrhage and hematoma of left eye and adnexa complicating an ophthalmic procedureOr: 
- 2015/16 ICD-10-CM H59.113 Intraoperative hemorrhage and hematoma of eye and adnexa complicating an ophthalmic procedure, bilateralOr: 
- 2015/16 ICD-10-CM H59.119 Intraoperative hemorrhage and hematoma of unspecified eye and adnexa complicating an ophthalmic procedureOr: 
- 2015/16 ICD-10-CM H59.121 Intraoperative hemorrhage and hematoma of right eye and adnexa complicating other procedureOr: 
- 2015/16 ICD-10-CM H59.122 Intraoperative hemorrhage and hematoma of left eye and adnexa complicating other procedureOr: 
- 2015/16 ICD-10-CM H59.123 Intraoperative hemorrhage and hematoma of eye and adnexa complicating other procedure, bilateralOr: 
- 2015/16 ICD-10-CM H59.129 Intraoperative hemorrhage and hematoma of unspecified eye and adnexa complicating other procedureOr: 
- 2015/16 ICD-10-CM H59.311 Postprocedural hemorrhage and hematoma of right eye and adnexa following an ophthalmic procedureOr: 
- 2015/16 ICD-10-CM H59.312 Postprocedural hemorrhage and hematoma of left eye and adnexa following an ophthalmic procedureOr: 
- 2015/16 ICD-10-CM H59.313 Postprocedural hemorrhage and hematoma of eye and adnexa following an ophthalmic procedure, bilateralOr: 
- 2015/16 ICD-10-CM H59.319 Postprocedural hemorrhage and hematoma of unspecified eye and adnexa following an ophthalmic procedureOr: 
- 2015/16 ICD-10-CM H59.321 Postprocedural hemorrhage and hematoma of right eye and adnexa following other procedureOr: 
- 2015/16 ICD-10-CM H59.322 Postprocedural hemorrhage and hematoma of left eye and adnexa following other procedureOr: 
- 2015/16 ICD-10-CM H59.323 Postprocedural hemorrhage and hematoma of eye and adnexa following other procedure, bilateralOr: 
- 2015/16 ICD-10-CM H59.329 Postprocedural hemorrhage and hematoma of unspecified eye and adnexa following other procedureOr: 
- 2015/16 ICD-10-CM H95.21 Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure on the ear and mastoid processOr: 
- 2015/16 ICD-10-CM H95.22 Intraoperative hemorrhage and hematoma of ear and mastoid process complicating other procedureOr: 
- 2015/16 ICD-10-CM H95.41 Postprocedural hemorrhage and hematoma of ear and mastoid process following a procedure on the ear and mastoid processOr: 
- 2015/16 ICD-10-CM H95.42 Postprocedural hemorrhage and hematoma of ear and mastoid process following other procedureOr: 
- 2015/16 ICD-10-CM I97.410 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac catheterizationOr: 
- 2015/16 ICD-10-CM I97.411 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac bypassOr: 
- 2015/16 ICD-10-CM I97.418 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other circulatory system procedureOr: 
- 2015/16 ICD-10-CM I97.42 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other procedureOr: 
- 2015/16 ICD-10-CM I97.610 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following a cardiac catheterizationOr: 
- 2015/16 ICD-10-CM I97.611 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following cardiac bypassOr: 
- 2015/16 ICD-10-CM I97.618 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following other circulatory system procedureOr: 
- 2015/16 ICD-10-CM I97.62 Postprocedural hemorrhage and hematoma of a circulatory system organ or structure following other procedureOr: 
- 2015/16 ICD-10-CM J95.61 Intraoperative hemorrhage and hematoma of a respiratory system organ or structure complicating a respiratory system procedureOr: 
- 2015/16 ICD-10-CM J95.62 Intraoperative hemorrhage and hematoma of a respiratory system organ or structure complicating other procedureOr: 
- 2015/16 ICD-10-CM J95.830 Postprocedural hemorrhage and hematoma of a respiratory system organ or structure following a respiratory system procedureOr: 
- 2015/16 ICD-10-CM J95.831 Postprocedural hemorrhage and hematoma of a respiratory system organ or structure following other procedureOr: 
- 2015/16 ICD-10-CM K91.61 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive sytem procedureOr: 
- 2015/16 ICD-10-CM K91.62 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedureOr: 
- 2015/16 ICD-10-CM K91.840 Postprocedural hemorrhage and hematoma of a digestive system organ or structure following a digestive system procedureOr: 
- 2015/16 ICD-10-CM K91.841 Postprocedural hemorrhage and hematoma of a digestive system organ or structure following other procedureOr: 
- 2015/16 ICD-10-CM L76.01 Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating a dermatologic procedureOr: 
- 2015/16 ICD-10-CM L76.02 Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating other procedureOr: 
- 2015/16 ICD-10-CM L76.21 Postprocedural hemorrhage and hematoma of skin and subcutaneous tissue following a dermatologic procedureOr: 
- 2015/16 ICD-10-CM L76.22 Postprocedural hemorrhage and hematoma of skin and subcutaneous tissue following other procedureOr: 
- 2015/16 ICD-10-CM M96.810 Intraoperative hemorrhage and hematoma of a musculoskeletal structure complicating a musculoskeletal system procedureOr: 
- 2015/16 ICD-10-CM M96.811 Intraoperative hemorrhage and hematoma of a musculoskeletal structure complicating other procedureOr: 
- 2015/16 ICD-10-CM M96.830 Postprocedural hemorrhage and hematoma of a musculoskeletal structure following a musculoskeletal system procedureOr: 
- 2015/16 ICD-10-CM M96.831 Postprocedural hemorrhage and hematoma of a musculoskeletal structure following other procedureOr: 
- 2015/16 ICD-10-CM N99.61 Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a genitourinary system procedureOr: 
- 2015/16 ICD-10-CM N99.62 Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating other procedureOr: 
- 2015/16 ICD-10-CM N99.820 Postprocedural hemorrhage and hematoma of a genitourinary system organ or structure following a genitourinary system procedureOr: 
- 2015/16 ICD-10-CM N99.821 Postprocedural hemorrhage and hematoma of a genitourinary system organ or structure following other procedure
 ICD-9-CM Volume 2 Index entries containing back-references to 
998.12:
- Complications hematoma (intraoperative) (postoperative) 998.12 hematoma (intraoperative) (postoperative) 998.12
  surgical procedures 998.9 surgical procedures 998.9   accidental puncture or laceration 998.2 accidental puncture or laceration 998.2 
  amputation stump (late) 997.60 amputation stump (late) 997.60 
  anastomosis - see Complications, anastomosis anastomosis - see Complications, anastomosis
  burst stitches or sutures (external) 998.32 burst stitches or sutures (external) 998.32 
  cardiac 997.1 cardiac 997.1    long-term effect following cardiac surgery 429.4 long-term effect following cardiac surgery 429.4 
   catheter device - see Complications, catheter device catheter device - see Complications, catheter device
 
  cataract fragments in eye 998.82 cataract fragments in eye 998.82 
  cecostomy malfunction 569.62 cecostomy malfunction 569.62 
  colostomy malfunction 569.62 colostomy malfunction 569.62 
  cystostomy malfunction 997.5 cystostomy malfunction 997.5 
  dehiscence (of incision) (external) 998.32 dehiscence (of incision) (external) 998.32 
  dialysis NEC (see also Complications, dialysis) 999.9 dialysis NEC (see also Complications, dialysis) 999.9 
  disruption disruption   anastomosis (internal) - see Complications, mechanical, graft anastomosis (internal) - see Complications, mechanical, graft
   internal suture (line) 998.31 internal suture (line) 998.31 
   wound (external) 998.32 wound (external) 998.32 
 
  dumping syndrome (postgastrectomy) 564.2 dumping syndrome (postgastrectomy) 564.2 
  elephantiasis or lymphedema 997.99 elephantiasis or lymphedema 997.99 
  emphysema (surgical) 998.81 emphysema (surgical) 998.81 
  enterostomy malfunction 569.62 enterostomy malfunction 569.62 
  esophagostomy malfunction 530.87 esophagostomy malfunction 530.87 
  evisceration 998.32 evisceration 998.32 
  fistula (persistent postoperative) 998.6 fistula (persistent postoperative) 998.6 
  foreign body inadvertently left in wound (sponge) (suture) (swab) 998.4 foreign body inadvertently left in wound (sponge) (suture) (swab) 998.4 
  from nonabsorbable surgical material (Dacron) (mesh) (permanent suture) (reinforcing) (Teflon) - see Complications due to (presence of) any device, implant, or graft classified to 996.0 from nonabsorbable surgical material (Dacron) (mesh) (permanent suture) (reinforcing) (Teflon) - see Complications due to (presence of) any device, implant, or graft classified to 996.0 -996.5 -996.5 NEC NEC
  gastrointestinal NEC 997.4 gastrointestinal NEC 997.4 
  gastrostomy malfunction 536.42 gastrostomy malfunction 536.42 
  hematoma 998.12 hematoma 998.12
  hemorrhage  998.11 hemorrhage  998.11 
  ileostomy malfunction 569.62 ileostomy malfunction 569.62 
  internal prosthetic device NEC (see also Complications, internal device) 996.70 internal prosthetic device NEC (see also Complications, internal device) 996.70    hemolytic anemia 283.19 hemolytic anemia 283.19 
   infection or inflammation 996.60 infection or inflammation 996.60 
   malfunction - see Complications, mechanical malfunction - see Complications, mechanical
   mechanical complication - see Complications, mechanical mechanical complication - see Complications, mechanical
   thrombus 996.70 thrombus 996.70 
 
  jejunostomy malfunction 569.62 jejunostomy malfunction 569.62 
  nervous system NEC 997.00 nervous system NEC 997.00 
  obstruction, internal anastomosis - see Complications, mechanical, graft obstruction, internal anastomosis - see Complications, mechanical, graft
  other body system NEC 997.99 other body system NEC 997.99 
  peripheral vascular NEC 997.2 peripheral vascular NEC 997.2 
  postcardiotomy syndrome 429.4 postcardiotomy syndrome 429.4 
  postcholecystectomy syndrome 576.0 postcholecystectomy syndrome 576.0 
  postcommissurotomy syndrome 429.4 postcommissurotomy syndrome 429.4 
  postgastrectomy dumping syndrome 564.2 postgastrectomy dumping syndrome 564.2 
  postmastectomy lymphedema syndrome 457.0 postmastectomy lymphedema syndrome 457.0 
  postmastoidectomy 383.30 postmastoidectomy 383.30 
  postvagotomy syndrome 564.2 postvagotomy syndrome 564.2 
  postvalvulotomy syndrome 429.4 postvalvulotomy syndrome 429.4 
  reattached extremity (infection) (rejection) (see also Complications, reattached, extremity) 996.90 reattached extremity (infection) (rejection) (see also Complications, reattached, extremity) 996.90 
  respiratory NEC 997.3 respiratory NEC 997.3 
  seroma 998.13 seroma 998.13 
  shock (endotoxic) (hypovolemic) (septic) 998.0 shock (endotoxic) (hypovolemic) (septic) 998.0 
  shunt, prosthetic (thrombus) - see also Complications, due to (presence of) any device, implant, or graft classified to 996.0 shunt, prosthetic (thrombus) - see also Complications, due to (presence of) any device, implant, or graft classified to 996.0 -996.5 -996.5 NEC NEC
  specified complication NEC 998.89 specified complication NEC 998.89 
  stitch abscess 998.59 stitch abscess 998.59 
  transplant - see Complications, graft transplant - see Complications, graft
  ureterostomy malfunction 997.5 ureterostomy malfunction 997.5 
  urethrostomy malfunction 997.5 urethrostomy malfunction 997.5 
  urinary NEC 997.5 urinary NEC 997.5 
  vascular vascular
  wound infection 998.59 wound infection 998.59 
 
 
- Hematoma (skin surface intact) (traumatic) - see also Contusion postoperative 998.12 postoperative 998.12