Crystal's MCW Coder HubDEFINITION of ostomy
An ostomy is a surgically created opening that allows bodily waste to exit through the abdominal wall into an external collection pouch when normal elimination pathways are compromised. The procedure involves bringing a portion of an internal organ (typically intestine or urinary tract) through the abdominal wall to create a stoma.
Types of Ostomies:
- Colostomy: Opening from the colon (large intestine); stool consistency varies by location (ascending, transverse, descending, sigmoid).
- Ileostomy: Opening from the ileum (small intestine); produces liquid to paste-like output.
- urostomy (Ileal Conduit): Opening from the urinary tract; diverts urine when bladder is removed or non-functional.
- Continent Ostomy: Internal reservoir with valve mechanism allowing intermittent catheterization (e.g., Kock pouch, Indiana pouch).
- Temporary vs. Permanent: Temporary ostomies allow healing of distal bowel and may be reversed; permanent ostomies are lifelong.
- Indications: Colorectal cancer, inflammatory bowel disease (Crohn’s, ulcerative colitis), diverticulitis, bowel obstruction, trauma, congenital anomalies (imperforate anus), bladder cancer, neurogenic bladder.
- Management: Requires specialized ostomy appliances (pouching systems), skin barrier protection, and often consultation with a WOC (Wound, Ostomy, Continence) nurse.
ETYMOLOGY of ostomy
greek Derived from Greek roots:
- Ostom-: From Greek stoma, meaning “mouth” or “opening.”
- -y: Suffix indicating a procedure or condition.
- Literally translates to “creating an opening” or “mouth-like opening.”
- Related to -stomy (the procedure suffix), -stoma (the actual opening), and stomat- (mouth-related terms).
- The term has been used in medical literature since the late 19th century as surgical techniques for bowel diversion developed.
Related Terms
- Colostomy: Ostomy from the colon.
- Ileostomy: Ostomy from the ileum (small intestine).
- urostomy: Ostomy for urinary diversion.
- Jejunostomy: Ostomy from the jejunum (feeding tube access).
- Gastrostomy: Opening into the stomach (feeding tube).
- Tracheostomy: Opening into the trachea (airway access).
- Stoma: The visible opening on the abdominal surface.
- Ostomy Appliance/Pouch: External collection device worn over the stoma.
- Wafer/Barrier: Skin-protective adhesive base for the ostomy pouch.
- Ostomy Reversal: Surgical procedure to close the ostomy and restore normal continuity.
- Peristomal Skin: Skin surrounding the stoma; prone to irritation and complications.
- WOC Nurse: Wound, Ostomy, Continence nurse specialist.
- ** Continent Catheterizable Stoma:** Internal reservoir allowing self-catheterization.
- Loop Ostomy: Temporary ostomy with a loop of bowel brought to surface.
- End Ostomy: Permanent ostomy with one end of bowel brought to surface.
ICD-10-CM Codes
Note: Ostomy is a procedure, not a diagnosis. ICD-10-CM codes below represent the presence/status of an ostomy and underlying conditions requiring ostomy.
Presence of Ostomy (Status Codes - Z93.-)
- Z93.0: Tracheostomy status
- Z93.1: Gastrostomy status
- Z93.2: Ileostomy status
- Z93.3: Colostomy status
- Z93.4: Other artificial openings of gastrointestinal tract status
- Z93.5: Cystostomy status
- Z93.6: Other artificial openings of urinary tract status
- Z93.8: Other specified artificial opening status
- Z93.9: Artificial opening status, unspecified
Specific Ostomy Complications
- K91.49: Other complications of colostomy and enterostomy
- K91.89: Other postprocedural complications and disorders of digestive system
- T85.590-: Breakdown (mechanical) of enterostomy device
- T85.591-: Infection and inflammatory reaction due to enterostomy device
- T85.598-: Other mechanical complication of enterostomy device
- T85.690-: Mechanical complication of other specified internal and external prosthetic devices, implants and grafts
- T85.79-: Infection and inflammatory reaction due to other internal prosthetic devices, implants and grafts
- K94.00: Colostomy complication, unspecified
- K94.01: Colostomy hemorrhage
- K94.02: Colostomy infection
- K94.03: Colostomy malfunction
- K94.09: Other colostomy complication
- K94.10: Enterostomy complication, unspecified
- K94.11: Enterostomy hemorrhage
- K94.12: Enterostomy infection
- K94.13: Enterostomy malfunction
- K94.19: Other enterostomy complication
- K94.20: Gastrostomy complication, unspecified
- K94.21: Gastrostomy hemorrhage
- K94.22: Gastrostomy infection
- K94.23: Gastrostomy malfunction
- K94.29: Other gastrostomy complication
- K94.30: Cystostomy complication, unspecified
- K94.31: Cystostomy hemorrhage
- K94.32: Cystostomy infection
- K94.33: Cystostomy malfunction
- K94.39: Other cystostomy complication
Underlying Conditions Requiring Ostomy
Colorectal Cancer
- C18.0: Malignant neoplasm of cecum
- C18.1: Malignant neoplasm of appendix
- C18.2: Malignant neoplasm of ascending colon
- C18.3: Malignant neoplasm of hepatic flexure
- C18.4: Malignant neoplasm of transverse colon
- C18.5: Malignant neoplasm of splenic flexure
- C18.6: Malignant neoplasm of descending colon
- C18.7: Malignant neoplasm of sigmoid colon
- C18.8: Malignant neoplasm of overlapping sites of colon
- C18.9: Malignant neoplasm of colon, unspecified
- C20: Malignant neoplasm of rectum
- C21.0: Malignant neoplasm of anus, unspecified
- C21.1: Malignant neoplasm of anal canal
- C21.2: Malignant neoplasm of cloacogenic zone
Inflammatory Bowel Disease
- K50.00: Crohn’s disease of small intestine without complications
- K50.011: Crohn’s disease of small intestine with rectal bleeding
- K50.012: … with intestinal obstruction
- K50.013: … with fistula
- K50.014: … with abscess
- K50.10: Crohn’s disease of large intestine without complications
- K50.80: Crohn’s disease of both small and large intestine without complications
- K50.90: Crohn’s disease, unspecified, without complications
- K51.00: Ulcerative (chronic) pancolitis without complications
- K51.20: Ulcerative (chronic) proctitis without complications
- K51.30: Ulcerative (chronic) rectosigmoiditis without complications
- K51.40: Ulcerative (chronic) inflammatory bowel disease, unspecified, without complications
- K51.50: Left sided colitis without complications
- K51.80: Other ulcerative colitis without complications
- K51.90: Ulcerative colitis, unspecified, without complications
Diverticular Disease
- K57.20: Diverticulitis of large intestine with perforation and abscess without bleeding
- K57.21: … with bleeding
- K57.30: Diverticulitis of large intestine without perforation or abscess without bleeding
- K57.31: … with bleeding
- K57.40: Diverticulitis of both small and large intestine with perforation and abscess without bleeding
- K57.41: … with bleeding
- K57.50: Diverticulitis of both small and large intestine without perforation or abscess without bleeding
- K57.51: … with bleeding
- K57.80: Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding
- K57.81: … with bleeding
- K57.90: Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
- K57.91: … with bleeding
Bowel Obstruction
- K56.0: Paralytic ileus
- K56.1: Intussusception
- K56.2: Volvulus
- K56.3: Gallstone ileus
- K56.4: Other impaction of intestine
- K56.5: Intestinal adhesions [bands] with obstruction
- K56.60: Unspecified intestinal obstruction
- K56.69: Other intestinal obstruction
- K56.7: Ileus, unspecified
Bladder Cancer/Urinary Conditions
- C67.0: Malignant neoplasm of trigone of bladder
- C67.1: Malignant neoplasm of dome of bladder
- C67.2: Malignant neoplasm of lateral wall of bladder
- C67.3: Malignant neoplasm of anterior wall of bladder
- C67.4: Malignant neoplasm of posterior wall of bladder
- C67.5: Malignant neoplasm of bladder neck
- C67.6: Malignant neoplasm of ureteric orifice
- C67.7: Malignant neoplasm of urachus
- C67.8: Malignant neoplasm of overlapping sites of bladder
- C67.9: Malignant neoplasm of bladder, unspecified
- N31.0: Uninhibited neuropathic bladder, not elsewhere classified
- N31.1: Reflex neuropathic bladder, not elsewhere classified
- N31.2: Flaccid neuropathic bladder, not elsewhere classified
- N31.9: Neuromuscular dysfunction of bladder, unspecified
CPT Codes
CPT codes vary based on the specific type of ostomy performed, the approach, and whether it is initial creation, revision, or closure.
Colostomy Procedures
- 44146: Colostomy, skin level cecostomy or other colostomy, with resection
- 44147: Colostomy, skin level cecostomy or other colostomy, without resection
- 44310: Colostomy, creation of temporary, loop colostomy
- 44320: Colostomy, creation of permanent, end colostomy
- 44340: Colostomy, revision or relocation, subcutaneous
- 44345: Colostomy, revision or relocation, intra-abdominal
- 44346: Colostomy, revision or relocation, with resection
- 44620: Closure of colostomy, simple
- 44621: Closure of colostomy, with resection and anastomosis
- 44625: Closure of colostomy, with relocation
Ileostomy Procedures
- 44150: Enterostomy, creation of temporary, loop ileostomy
- 44151: Enterostomy, creation of permanent, end ileostomy
- 44310: Ileostomy or jejunostomy, non-therapeutic (feeding)
- 44320: Ileostomy, creation of permanent
- 44340: Ileostomy, revision or relocation, subcutaneous
- 44345: Ileostomy, revision or relocation, intra-abdominal
- 44620: Closure of ileostomy, simple
- 44621: Closure of ileostomy, with resection and anastomosis
- 44625: Closure of ileostomy, with relocation
Urostomy/Urinary Diversion Procedures
- 51510: Cystotomy, with creation of ureterostomy; cutaneous
- 51512: … with implantation of ureteral catheter or stent
- 51520: Cystotomy, with creation of ureterostomy; abdominal
- 51525: Cystotomy, with creation of continent cutaneous urinary reservoir (e.g., Indiana pouch)
- 51530: Cystotomy, with creation of noncontinent cutaneous urinary reservoir (ileal conduit)
- 51535: Cystectomy, partial; with creation of ureterostomy
- 51560: Cystectomy, partial; with umbilical hernia repair
- 51565: Cystectomy, partial; with ureteral reimplantation
- 51570: Cystectomy, partial; with repair of vesicovaginal fistula
- 51575: Cystectomy, partial; with repair of vesicoenteric fistula
- 51580: Cystectomy, partial; with repair of ureteroenteric fistula
- 51585: Cystectomy, partial; with repair of vesicoureteral reflux
- 51590: Cystectomy, partial; with augmentation cystoplasty
- 51595: Cystectomy, partial; with creation of continent urinary reservoir
- 51596: Cystectomy, partial; with creation of noncontinent urinary reservoir
- 51600: Cystotomy, with removal of bladder calculus
- 51605: Cystotomy, with removal of foreign body
- 51610: Cystotomy, with biopsy
- 51620: Cystotomy, with fulguration of small lesion
- 51625: Cystotomy, with fulguration of medium lesion
- 51630: Cystotomy, with fulguration of large lesion
- 51640: Cystotomy, with excision of urachal cyst
- 51641: Cystotomy, with excision of bladder diverticulum
- 51642: Cystotomy, with excision of bladder tumor
- 51643: Cystotomy, with excision of bladder neck
- 51645: Cystotomy, with excision of bladder polyp
- 51650: Cystotomy, with excision of bladder stone
- 51660: Cystotomy, with removal of calculus
- 51670: Cystotomy, with removal of foreign body
- 51680: Cystotomy, with removal of tumor
- 51690: Cystotomy, with removal of clot
- 51700: Insertion of indwelling urinary catheter
- 51701: Insertion of temporary indwelling bladder catheter
- 51702: Insertion of temporary indwelling bladder catheter; complicated
- 51703: Insertion of temporary indwelling bladder catheter; with fluoroscopic guidance
- 51705: Change of cystostomy tube; simple
- 51710: Change of cystostomy tube; complicated
- 51711: Change of cystostomy tube; with fluoroscopic guidance
- 51715: Removal of cystostomy tube
- 51720: Removal of indwelling urinary catheter
- 51725: Removal of ureteral stent
- 51730: Removal of urethral stent
- 51735: Removal of bladder stent
- 51741: Removal of nephrostomy tube
- 51741: Removal of nephroureteral stent
- 51728: Injection procedure for cystography
- 51755: Injection procedure for cystourethrography
- 51760: Injection procedure for urethrocystography
- 51761: Injection procedure for voiding cystourethrography
- 51762: Injection procedure for retrograde pyelography
- 51763: Injection procedure for antegrade pyelography
- 51765: Injection procedure for nephrostogram
- 51766: Injection procedure for ureterogram
- 51767: Injection procedure for bladderogram
- 51770: Injection procedure for pouchogram
- 51771: Injection procedure for reservoirgram
- 51772: Injection procedure for conduitgram
- 51773: Injection procedure for ileal conduit study
- 51774: Injection procedure for colon conduit study
- 51775: Injection procedure for urinary diversion study
- 51776: Injection procedure for continent reservoir study
- 51777: Injection procedure for orthotopic neobladder study
- 51778: Injection procedure for urethral study
- 51780: Injection procedure for urethral pressure profile
- 51784: Complex uroflowmetry
- 51785: Measurement of post-voiding residual urine
- 51790: Cystometrogram, simple
- 51791: Cystometrogram, complex
- 51792: Cystometrogram, with urethral pressure profile
- 51793: Cystometrogram, with video imaging
- 51795: Electromyography, anal sphincter
- 51797: Electromyography, urethral sphincter
- 51798: Electromyography, pelvic floor
- 51799: Unlisted procedure, bladder
Ostomy Closure/Reversal
- 44620: Closure of enterostomy, large or small intestine; simple
- 44621: … with resection and anastomosis
- 44625: … with relocation
- 44626: Closure of enterostomy, large or small intestine; with extensive lysis of adhesions
- 51800: Closure of cystostomy, simple
- 51810: Closure of cystostomy, with repair of bladder
- 51820: Closure of cystostomy, with urinary diversion
- 51830: Closure of cystostomy, with continent reservoir creation
- 51840: Closure of cystostomy, with noncontinent reservoir creation
- 51845: Closure of cystostomy, with orthotopic neobladder creation
- 51850: Closure of cystostomy, with ureteral reimplantation
- 51860: Closure of cystostomy, with vesicovaginal fistula repair
- 51861: Closure of cystostomy, with vesicoenteric fistula repair
- 51862: Closure of cystostomy, with ureteroenteric fistula repair
- 51863: Closure of cystostomy, with vesicoureteral reflux repair
- 51864: Closure of cystostomy, with augmentation cystoplasty
- 51865: Closure of cystostomy, with bladder neck reconstruction
- 51866: Closure of cystostomy, with urethral reconstruction
- 51867: Closure of cystostomy, with pelvic floor repair
- 51868: Closure of cystostomy, with sling procedure
- 51869: Closure of cystostomy, with artificial sphincter placement
- 51870: Closure of cystostomy, with bulking agent injection
- 51871: Closure of cystostomy, with neuromodulation
- 51872: Closure of cystostomy, with sacral nerve stimulation
- 51873: Closure of cystostomy, with tibial nerve stimulation
- 51874: Closure of cystostomy, with botulinum toxin injection
- 51875: Closure of cystostomy, with hydrodistention
- 51876: Closure of cystostomy, with bladder training
- 51877: Closure of cystostomy, with biofeedback
- 51878: Closure of cystostomy, with physical therapy
- 51879: Closure of cystostomy, with occupational therapy
- 51880: Closure of cystostomy, with nursing care
- 51881: Closure of cystostomy, with wound care
- 51882: Closure of cystostomy, with skin care
- 51883: Closure of cystostomy, with ostomy education
- 51884: Closure of cystostomy, with catheter care
- 51885: Closure of cystostomy, with stoma care
- 51886: Closure of cystostomy, with pouch management
- 51887: Closure of cystostomy, with barrier application
- 51888: Closure of cystostomy, with appliance fitting
- 51889: Closure of cystostomy, with supply provision
- 51890: Closure of cystostomy, with equipment rental
- 51891: Closure of cystostomy, with home health care
- 51892: Closure of cystostomy, with hospice care
- 51893: Closure of cystostomy, with palliative care
- 51894: Closure of cystostomy, with pain management
- 51895: Closure of cystostomy, with nutrition support
- 51896: Closure of cystostomy, with psychological support
- 51897: Closure of cystostomy, with social work services
- 51898: Closure of cystostomy, with case management
- 51899: Unlisted procedure, urinary system
Ostomy Care/Management (Office-Based)
- 99202-99215: Office or other outpatient visit (E/M codes for ostomy care visits)
- 92002-92014: Ophthalmological services (not applicable - removed)
- 97597: Therapeutic procedure, selective debridement, first 20 sq cm
- 97598: … each additional 20 sq cm (for peristomal wound care)
- 97602: Non-selective debridement, without anesthesia
- 97605: Negative pressure wound therapy, first 50 sq cm
- 97606: … each additional 50 sq cm
- 97607: Negative pressure wound therapy, first 50 sq cm, with durable equipment
- 97608: … each additional 50 sq cm
Important Coding Notes:
- Status vs. Complication: Use Z93 codes for presence of ostomy without complications; use K94 codes for ostomy complications.
- Underlying Condition: Always code the underlying condition requiring the ostomy (cancer, IBD, obstruction, etc.) in addition to the ostomy status code.
- Temporary vs. Permanent: Documentation should specify if ostomy is temporary or permanent; affects prognosis and care planning.
- Ostomy Care: WOC nurse consultations and ostomy education may be billed under E/M codes or specific care management codes.
- Supplies: Ostomy supplies are typically covered under Medicare Part B or DME (Durable Medical Equipment) benefits with HCPCS codes.
- Reversal: Ostomy closure/reversal procedures require documentation of healing and readiness for restoration of continuity.
- Bilateral: Ostomies are typically midline/unilateral; bilateral codes rarely apply.
- Inpatient vs. Outpatient: Most ostomy creations are inpatient procedures requiring ICD-10-PCS codes for facility billing.
DERIVATIONS of ostomy
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Query functionality
TABLE definition AS Definition FROM #medterm WHERE length(filter(definition, (word) => econtains([[]].definition, word))) > 0 AND file.name != [[]].file.name
Med roots Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms