Unplanned/unexpected readmissions are those readmissions where the principal diagnosis indicates an adverse event.
Principal diagnoses codes
A principal diagnosis for the readmission has one of the following ICD-10-AM (7th Ed) codes: T80–88, T98.3, E89, G97, H59, H95, I97, J95, K91, M96 or N99.
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T80 Complications following infusion, transfusion and therapeutic injection |
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T81 Complications of procedures, not elsewhere classified |
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T82 Complications of cardiac and vascular prosthetic devices, implants and grafts |
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T83 Complications of genitourinary prosthetic devices, implants and grafts |
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T84 Complications of internal orthopaedic prosthetic devices, implants and grafts |
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T85 Complications of other internal prosthetic devices, implants and grafts |
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T86 Failure and rejection of transplanted organs and tissues |
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T87 Complications peculiar to reattachment and amputation |
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T88 Other complications of surgical and medical care, not elsewhere classified |
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T98.3 Sequelae of complications of surgical and medical care, not elsewhere classified |
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E89 Postprocedural endocrine and metabolic disorders, not elsewhere classified |
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G97 Postprocedural disorders of nervous system, not elsewhere classified |
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H59 Postprocedural disorders of eye and adnexa, not elsewhere classified |
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H95 Postprocedural disorders of ear and mastoid process, not elsewhere classified |
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I97 Postprocedural disorders of circulatory system, not elsewhere classified |
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J95 Postprocedural respiratory disorders, not elsewhere classified |
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K91 Postprocedural disorders of digestive system, not elsewhere classified |
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M96 Postprocedural musculoskeletal disorders, not elsewhere classified |
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N99 Postprocedural disorders of genitourinary system, not elsewhere classified |
Procedure codes
Number of separations in which one of the following surgical procedures was undertaken: knee replacement; hip replacement; tonsillectomy and adenoidectomy; hysterectomy; prostatectomy; cataract surgery; appendicectomy.
The following is a list of the specific ACHI (7th Ed) procedure codes which are included in the specifications for each of the selected surgical procedures.
|
Procedure |
Procedure Codes |
Description |
|
Knee replacement |
49518-00 |
Total arthroplasty of knee, unilateral |
|
|
49519-00 |
Total arthroplasty of knee, bilateral |
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|
49521-02 |
Total arthroplasty of knee with bone graft to tibia, unilateral
|
|
Hip replacement |
49318-00 |
Total arthroplasty of hip, unilateral |
|
|
49319-00 |
Total arthroplasty of hip, bilateral
|
|
Tonsillectomy and adenoidectomy |
41789-00 |
Tonsillectomy without adenoidectomy |
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|
41789-01 |
Tonsillectomy with adenoidectomy |
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|
41801-00 |
Adenoidectomy without tonsillectomy
|
|
Hysterectomy |
35653-01 |
Total abdominal hysterectomy |
|
|
35653-04 |
Total abdominal hysterectomy with removal of adnexa |
|
|
35661-00 |
Abdominal hysterectomy with extensive retroperitoneal dissection |
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|
35670-00 |
Abdominal hysterectomy with radical excision of pelvic lymph nodes |
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|
35756-00 |
Laparoscopically assisted vaginal hysterectomy proceeding to abdominal hysterectomy |
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|
35756-03 |
Laparoscopically assisted vaginal hysterectomy proceeding to abdominal hysterectomy with removal of adnexa |
|
|
90448-01 |
Total laparoscopic abdominal hysterectomy |
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|
90448-02 |
Total laparoscopic abdominal hysterectomy with removal of adnexa |
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|
35657-00 |
Vaginal hysterectomy |
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|
35673-02 |
Vaginal hysterectomy with removal of adnexa |
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|
35667-00 |
Radical abdominal hysterectomy |
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|
35664-00 |
Radical abdominal hysterectomy with radical excision of pelvic lymph nodes |
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|
35664-01 |
Radical vaginal hysterectomy with radical excision of pelvic lymph nodes |
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|
35667-01 |
Radical vaginal hysterectomy |
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|
90443-00 |
Other excision of uterus |
|
|
|
|
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Prostatectomy |
37207-00 |
Endoscopic laser ablation of prostate (includes TULIP) |
|
|
37201-00 |
Transurethral needle ablation of prostate |
|
|
37203-00 |
Transurethral resection of prostate |
|
|
37203-02 |
Transurethral electrical vaporisation of prostate |
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|
37203-04 |
Microwave thermotherapy of prostate |
|
|
37203-05 |
High intensity focussed ultrasound (transrectal) of prostate |
|
|
37207-01 |
Endoscopic laser excision of prostate |
|
|
37200-03 |
Suprapubic prostatectomy |
|
|
37200-04 |
Retropubic prostatectomy |
|
|
37224-00 |
Endoscopic destruction of prostatic lesion |
|
|
37224-01 |
Endoscopic resection of prostatic lesion |
|
|
90407-00 |
Excision of other lesion of prostate |
|
|
37203-03 |
Cryoablation of prostate |
|
Cataract surgery |
42698-00 |
Intracapsular extraction of crystalline lens |
|
|
42702-00 |
Intracapsular extraction of crystalline lens with insertion of foldable artificial lens |
|
|
42702-01 |
Intracapsular extraction of crystalline lens with insertion of other artificial lens |
|
|
42698-01 |
Extracapsular extraction of crystalline lens by simple aspiration (and irrigation) technique |
|
|
42702-02 |
Extracapsular extraction of crystalline lens by simple aspiration (and irrigation) technique with insertion of foldable artificial lens |
|
|
42702-03 |
Extracapsular extraction of crystalline lens by simple aspiration (and irrigation) technique with insertion of other artificial lens |
|
|
42698-02 |
Extracapsular extraction of crystalline lens by phacoemulsification and aspiration of cataract |
|
|
42702-04 |
Extracapsular extraction of crystalline lens by phacoemulsification and aspiration of cataract with insertion of foldable artificial lens |
|
|
42702-05 |
Extracapsular extraction of crystalline lens by phacoemulsification and aspiration of cataract with insertion of other artificial lens |
|
|
42698-03 |
Extracapsular crystalline lens extraction by mechanical phacofragmentation and aspiration of cataract |
|
|
42702-06 |
Extracapsular crystalline lens extraction by mechanical phacofragmentation and aspiration of cataract with insertion of foldable artificial lens |
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42702-07 |
Extracapsular crystalline lens extraction by mechanical phacofragmentation and aspiration of cataract with insertion of other artificial lens |
|
|
42698-04 |
Other extracapsular extraction of crystalline lens |
|
|
42702-08 |
Other extracapsular extraction of crystalline lens with insertion of foldable artificial lens |
|
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42702-09 |
Other extracapsular extraction of crystalline lens with insertion of other artificial lens |
|
|
42731-01 |
Extraction of crystalline lens by posterior chamber sclerotomy with removal of vitreous |
|
|
42698-05 |
Other extraction of crystalline lens |
|
|
42702-10 |
Other extraction of crystalline lens with insertion of foldable artificial lens |
|
|
42702-11 |
Other extraction of crystalline lens with insertion of other artificial lens
|
|
Appendicectomy |
30571-00 |
Appendicectomy |
|
|
30572-00 |
Laparoscopic appendicectomy |
Limited to public hospitals.
Denominator limited to separations with a separation date between 1 July and 19 May in the reference year.
Denominator excludes separations where the patient died in hospital.
Analysis by state and territory is based on location of service.
Analysis by remoteness and Socio-Economic Indexes for Areas (SEIFA) Index of Relative Socioeconomic Disadvantage (IRSD) is based on usual residence of person.
Presented per 1,000 separations.