Specific code 2012 ICD-9-CM Diagnosis Code 383.31
Mucosal cyst of postmastoidectomy cavity
  • Short description: Postmastoid mucosal cyst.
  • ICD-9-CM 383.31 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 383.31 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2012 version of ICD-9-CM 383.31.
  • More recent version(s) of ICD-9-CM 383.31: 2013 2014 2015.
Convert to ICD-10-CM: 383.31 converts approximately to:
  • 2015/16 ICD-10-CM H95.139 Mucosal cyst of postmastoidectomy cavity, unspecified ear
Approximate Synonyms
  • Bilat mucosal cyst of postmastoidectomy cavity
  • Bilateral mucosal cysts of postmastoidectomy cavities
  • Both sides mucosal cyst of postmastoidectomy cavity
  • Left mucosal cyst of postmastoidectomy cavity
  • Right mucosal cyst of postmastoidectomy cavity
ICD-9-CM Volume 2 Index entries containing back-references to 383.31:
  • Complications
    • surgical procedures 998.9
      • accidental puncture or laceration 998.2
      • amputation stump (late) 997.60
      • anastomosis - see Complications, anastomosis
      • burst stitches or sutures (external) (see also Dehiscence) 998.32
      • cardiac 997.1
        • long-term effect following cardiac surgery 429.4
        • catheter device - see Complications, catheter device
      • cataract fragments in eye 998.82
      • cecostomy malfunction 569.62
      • colostomy malfunction 569.62
      • cystostomy malfunction 596.82
      • dehiscence (of incision) (external) (see also Dehiscence) 998.32
      • dialysis NEC (see also Complications, dialysis) 999.9
      • disruption (see also Dehiscence)
        • anastomosis (internal) - see Complications, mechanical, graft
        • internal suture (line) 998.31
        • wound (external) 998.32
      • dumping syndrome (postgastrectomy) 564.2
      • elephantiasis or lymphedema 997.99
      • emphysema (surgical) 998.81
      • enterostomy malfunction 569.62
      • esophagostomy malfunction 530.87
      • evisceration 998.32
      • fistula (persistent postoperative) 998.6
      • 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 996.0-996.5 NEC
      • gastrointestinal NEC 997.49
      • gastrostomy malfunction 536.42
      • hematoma 998.12
      • hemorrhage 998.11
      • ileostomy malfunction 569.62
      • internal prosthetic device NEC (see also Complications, internal device) 996.70
        • hemolytic anemia 283.19
        • infection or inflammation 996.60
        • malfunction - see Complications, mechanical
        • mechanical complication - see Complications, mechanical
        • thrombus 996.70
      • jejunostomy malfunction 569.62
      • nervous system NEC 997.00
      • obstruction, internal anastomosis - see Complications, mechanical, graft
      • other body system NEC 997.99
      • peripheral vascular NEC 997.2
      • postcardiotomy syndrome 429.4
      • postcholecystectomy syndrome 576.0
      • postcommissurotomy syndrome 429.4
      • postgastrectomy dumping syndrome 564.2
      • postmastectomy lymphedema syndrome 457.0
      • postmastoidectomy 383.30
        • cholesteatoma, recurrent 383.32
        • cyst, mucosal 383.31
        • granulation 383.33
        • inflammation, chronic 383.33
      • postvagotomy syndrome 564.2
      • postvalvulotomy syndrome 429.4
      • reattached extremity (infection) (rejection) (see also Complications, reattached, extremity) 996.90
      • respiratory NEC 997.39
      • seroma 998.13
      • shock (endotoxic) (septic) 998.02
      • shunt, prosthetic (thrombus) - see also Complications, due to (presence of) any device, implant, or graft classified to 996.0-996.5 NEC
      • specified complication NEC 998.89
      • stitch abscess 998.59
      • transplant - see Complications, graft
      • ureterostomy malfunction 997.5
      • urethrostomy malfunction 997.5
      • urinary NEC 997.5
      • vascular
      • wound infection 998.59
  • Cyst (mucus) (retention) (serous) (simple)
    • postmastoidectomy cavity 383.31
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 383.31 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.