Diagnosis Codes in MS-DRG 921 - COMPLICATIONS OF TREATMENT WITHOUT CC/MCC

The Medicare Severity Diagnosis-Related Group or MS-DRG is a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). This is the group for Diagnosis Codes in MS-DRG 921 - COMPLICATIONS OF TREATMENT WITHOUT Complication Comorbidity/Major Complication or Comorbidity diseases in version MS-DRG V41.0 applicable from 10/01/2023 through 09/30/2024.

MS-DRG MS-DRG Title MCD Relative Weight Geometric LOS Arithmetic LOS
921 COMPLICATIONS OF TREATMENT WITHOUT CC/MCC 21 0.6978 Relative Weight
The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.
0.70 Geometric Length of Stay
The geometric mean length of stay (GMLOS) is used by Medicare to calculate the reimbursement for patients whose medical treatment takes a much longer or shorter time than average.
2.10 Arithmetic Length of Stay
The average length of stay (ALOS) reflects the average number of days a patient spends in a hospital for each admission.

List of ICD-10-CM Codes in Diagnostic Related Group


  • D47.Z
    • D47.Z1 Post-transplant lymphoproliferative disorder (PTLD)
  • D78.0
    • D78.01 Intraoperative hemorrhage and hematoma of the spleen complicating a procedure on the spleen
    • D78.02 Intraoperative hemorrhage and hematoma of the spleen complicating other procedure
  • D78.2
    • D78.21 Postprocedural hemorrhage of the spleen following a procedure on the spleen
    • D78.22 Postprocedural hemorrhage of the spleen following other procedure
  • D78.3
    • D78.31 Postprocedural hematoma of the spleen following a procedure on the spleen
    • D78.32 Postprocedural hematoma of the spleen following other procedure
    • D78.33 Postprocedural seroma of the spleen following a procedure on the spleen
    • D78.34 Postprocedural seroma of the spleen following other procedure
  • D78.8
    • D78.81 Other intraoperative complications of the spleen
    • D78.89 Other postprocedural complications of the spleen
  • E36.0
    • E36.01 Intraoperative hemorrhage and hematoma of an endocrine system organ or structure complicating an endocrine system procedure
    • E36.02 Intraoperative hemorrhage and hematoma of an endocrine system organ or structure complicating other procedure
  • E36
    • E36.8 Other intraoperative complications of endocrine system
  • E89.81
    • E89.810 Postprocedural hemorrhage of an endocrine system organ or structure following an endocrine system procedure
    • E89.811 Postprocedural hemorrhage of an endocrine system organ or structure following other procedure
  • E89.82
    • E89.820 Postprocedural hematoma of an endocrine system organ or structure following an endocrine system procedure
    • E89.821 Postprocedural hematoma of an endocrine system organ or structure following other procedure
    • E89.822 Postprocedural seroma of an endocrine system organ or structure following an endocrine system procedure
    • E89.823 Postprocedural seroma of an endocrine system organ or structure following other procedure
  • E89.8
    • E89.89 Other postprocedural endocrine and metabolic complications and disorders
  • G97.5
    • G97.51 Postprocedural hemorrhage of a nervous system organ or structure following a nervous system procedure
    • G97.52 Postprocedural hemorrhage of a nervous system organ or structure following other procedure
  • G97.6
    • G97.61 Postprocedural hematoma of a nervous system organ or structure following a nervous system procedure
    • G97.62 Postprocedural hematoma of a nervous system organ or structure following other procedure
    • G97.63 Postprocedural seroma of a nervous system organ or structure following a nervous system procedure
    • G97.64 Postprocedural seroma of a nervous system organ or structure following other procedure
  • H59.01
    • H59.011 Keratopathy (bullous aphakic) following cataract surgery, right eye
    • H59.012 Keratopathy (bullous aphakic) following cataract surgery, left eye
    • H59.013 Keratopathy (bullous aphakic) following cataract surgery, bilateral
    • H59.019 Keratopathy (bullous aphakic) following cataract surgery, unspecified eye
  • H59.03
    • H59.031 Cystoid macular edema following cataract surgery, right eye
    • H59.032 Cystoid macular edema following cataract surgery, left eye
    • H59.033 Cystoid macular edema following cataract surgery, bilateral
    • H59.039 Cystoid macular edema following cataract surgery, unspecified eye
  • H59.09
    • H59.091 Other disorders of the right eye following cataract surgery
    • H59.092 Other disorders of the left eye following cataract surgery
    • H59.093 Other disorders of the eye following cataract surgery, bilateral
    • H59.099 Other disorders of unspecified eye following cataract surgery
  • H59.11
    • H59.111 Intraoperative hemorrhage and hematoma of right eye and adnexa complicating an ophthalmic procedure
    • H59.112 Intraoperative hemorrhage and hematoma of left eye and adnexa complicating an ophthalmic procedure
    • H59.113 Intraoperative hemorrhage and hematoma of eye and adnexa complicating an ophthalmic procedure, bilateral
    • H59.119 Intraoperative hemorrhage and hematoma of unspecified eye and adnexa complicating an ophthalmic procedure
  • H59.12
    • H59.121 Intraoperative hemorrhage and hematoma of right eye and adnexa complicating other procedure
    • H59.122 Intraoperative hemorrhage and hematoma of left eye and adnexa complicating other procedure
    • H59.123 Intraoperative hemorrhage and hematoma of eye and adnexa complicating other procedure, bilateral
    • H59.129 Intraoperative hemorrhage and hematoma of unspecified eye and adnexa complicating other procedure
  • H59.31
    • H59.311 Postprocedural hemorrhage of right eye and adnexa following an ophthalmic procedure
    • H59.312 Postprocedural hemorrhage of left eye and adnexa following an ophthalmic procedure
    • H59.313 Postprocedural hemorrhage of eye and adnexa following an ophthalmic procedure, bilateral
    • H59.319 Postprocedural hemorrhage of unspecified eye and adnexa following an ophthalmic procedure
  • H59.32
    • H59.321 Postprocedural hemorrhage of right eye and adnexa following other procedure
    • H59.322 Postprocedural hemorrhage of left eye and adnexa following other procedure
    • H59.323 Postprocedural hemorrhage of eye and adnexa following other procedure, bilateral
    • H59.329 Postprocedural hemorrhage of unspecified eye and adnexa following other procedure
  • H59.33
    • H59.331 Postprocedural hematoma of right eye and adnexa following an ophthalmic procedure
    • H59.332 Postprocedural hematoma of left eye and adnexa following an ophthalmic procedure
    • H59.333 Postprocedural hematoma of eye and adnexa following an ophthalmic procedure, bilateral
    • H59.339 Postprocedural hematoma of unspecified eye and adnexa following an ophthalmic procedure
  • H59.34
    • H59.341 Postprocedural hematoma of right eye and adnexa following other procedure
    • H59.342 Postprocedural hematoma of left eye and adnexa following other procedure
    • H59.343 Postprocedural hematoma of eye and adnexa following other procedure, bilateral
    • H59.349 Postprocedural hematoma of unspecified eye and adnexa following other procedure
  • H59.35
    • H59.351 Postprocedural seroma of right eye and adnexa following an ophthalmic procedure
    • H59.352 Postprocedural seroma of left eye and adnexa following an ophthalmic procedure
    • H59.353 Postprocedural seroma of eye and adnexa following an ophthalmic procedure, bilateral
    • H59.359 Postprocedural seroma of unspecified eye and adnexa following an ophthalmic procedure
  • H59.36
    • H59.361 Postprocedural seroma of right eye and adnexa following other procedure
    • H59.362 Postprocedural seroma of left eye and adnexa following other procedure
    • H59.363 Postprocedural seroma of eye and adnexa following other procedure, bilateral
    • H59.369 Postprocedural seroma of unspecified eye and adnexa following other procedure
  • H59.81
    • H59.811 Chorioretinal scars after surgery for detachment, right eye
    • H59.812 Chorioretinal scars after surgery for detachment, left eye
    • H59.813 Chorioretinal scars after surgery for detachment, bilateral
    • H59.819 Chorioretinal scars after surgery for detachment, unspecified eye
  • H59.8
    • H59.88 Other intraoperative complications of eye and adnexa, not elsewhere classified
    • H59.89 Other postprocedural complications and disorders of eye and adnexa, not elsewhere classified
  • H95.2
    • H95.21 Intraoperative hemorrhage and hematoma of ear and mastoid process complicating a procedure on the ear and mastoid process
    • H95.22 Intraoperative hemorrhage and hematoma of ear and mastoid process complicating other procedure
  • H95.4
    • H95.41 Postprocedural hemorrhage of ear and mastoid process following a procedure on the ear and mastoid process
    • H95.42 Postprocedural hemorrhage of ear and mastoid process following other procedure
  • H95.5
    • H95.51 Postprocedural hematoma of ear and mastoid process following a procedure on the ear and mastoid process
    • H95.52 Postprocedural hematoma of ear and mastoid process following other procedure
    • H95.53 Postprocedural seroma of ear and mastoid process following a procedure on the ear and mastoid process
    • H95.54 Postprocedural seroma of ear and mastoid process following other procedure
  • H95.81
    • H95.811 Postprocedural stenosis of right external ear canal
    • H95.812 Postprocedural stenosis of left external ear canal
    • H95.813 Postprocedural stenosis of external ear canal, bilateral
    • H95.819 Postprocedural stenosis of unspecified external ear canal
  • H95.8
    • H95.88 Other intraoperative complications and disorders of the ear and mastoid process, not elsewhere classified
    • H95.89 Other postprocedural complications and disorders of the ear and mastoid process, not elsewhere classified
  • I97
    • I97.3 Postprocedural hypertension
  • I97.41
    • I97.410 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac catheterization
    • I97.411 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating a cardiac bypass
    • I97.418 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other circulatory system procedure
  • I97.4
    • I97.42 Intraoperative hemorrhage and hematoma of a circulatory system organ or structure complicating other procedure
  • I97.61
    • I97.610 Postprocedural hemorrhage of a circulatory system organ or structure following a cardiac catheterization
    • I97.611 Postprocedural hemorrhage of a circulatory system organ or structure following cardiac bypass
    • I97.618 Postprocedural hemorrhage of a circulatory system organ or structure following other circulatory system procedure
  • I97.62
    • I97.620 Postprocedural hemorrhage of a circulatory system organ or structure following other procedure
    • I97.621 Postprocedural hematoma of a circulatory system organ or structure following other procedure
    • I97.622 Postprocedural seroma of a circulatory system organ or structure following other procedure
  • I97.63
    • I97.630 Postprocedural hematoma of a circulatory system organ or structure following a cardiac catheterization
    • I97.631 Postprocedural hematoma of a circulatory system organ or structure following cardiac bypass
    • I97.638 Postprocedural hematoma of a circulatory system organ or structure following other circulatory system procedure
  • I97.64
    • I97.640 Postprocedural seroma of a circulatory system organ or structure following a cardiac catheterization
    • I97.641 Postprocedural seroma of a circulatory system organ or structure following cardiac bypass
    • I97.648 Postprocedural seroma of a circulatory system organ or structure following other circulatory system procedure
  • J95.6
    • J95.61 Intraoperative hemorrhage and hematoma of a respiratory system organ or structure complicating a respiratory system procedure
    • J95.62 Intraoperative hemorrhage and hematoma of a respiratory system organ or structure complicating other procedure
  • J95.83
    • J95.830 Postprocedural hemorrhage of a respiratory system organ or structure following a respiratory system procedure
    • J95.831 Postprocedural hemorrhage of a respiratory system organ or structure following other procedure
  • J95.86
    • J95.860 Postprocedural hematoma of a respiratory system organ or structure following a respiratory system procedure
    • J95.861 Postprocedural hematoma of a respiratory system organ or structure following other procedure
    • J95.862 Postprocedural seroma of a respiratory system organ or structure following a respiratory system procedure
    • J95.863 Postprocedural seroma of a respiratory system organ or structure following other procedure
  • K91.6
    • K91.61 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive system procedure
    • K91.62 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedure
  • K91.84
    • K91.840 Postprocedural hemorrhage of a digestive system organ or structure following a digestive system procedure
    • K91.841 Postprocedural hemorrhage of a digestive system organ or structure following other procedure
  • K91.87
    • K91.870 Postprocedural hematoma of a digestive system organ or structure following a digestive system procedure
    • K91.871 Postprocedural hematoma of a digestive system organ or structure following other procedure
    • K91.872 Postprocedural seroma of a digestive system organ or structure following a digestive system procedure
    • K91.873 Postprocedural seroma of a digestive system organ or structure following other procedure
  • L76.0
    • L76.01 Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating a dermatologic procedure
    • L76.02 Intraoperative hemorrhage and hematoma of skin and subcutaneous tissue complicating other procedure
  • L76.2
    • L76.21 Postprocedural hemorrhage of skin and subcutaneous tissue following a dermatologic procedure
    • L76.22 Postprocedural hemorrhage of skin and subcutaneous tissue following other procedure
  • L76.3
    • L76.31 Postprocedural hematoma of skin and subcutaneous tissue following a dermatologic procedure
    • L76.32 Postprocedural hematoma of skin and subcutaneous tissue following other procedure
    • L76.33 Postprocedural seroma of skin and subcutaneous tissue following a dermatologic procedure
    • L76.34 Postprocedural seroma of skin and subcutaneous tissue following other procedure
  • L76.8
    • L76.81 Other intraoperative complications of skin and subcutaneous tissue
    • L76.82 Other postprocedural complications of skin and subcutaneous tissue
  • M96.81
    • M96.810 Intraoperative hemorrhage and hematoma of a musculoskeletal structure complicating a musculoskeletal system procedure
    • M96.811 Intraoperative hemorrhage and hematoma of a musculoskeletal structure complicating other procedure
  • M96.83
    • M96.830 Postprocedural hemorrhage of a musculoskeletal structure following a musculoskeletal system procedure
    • M96.831 Postprocedural hemorrhage of a musculoskeletal structure following other procedure
  • M96.84
    • M96.840 Postprocedural hematoma of a musculoskeletal structure following a musculoskeletal system procedure
    • M96.841 Postprocedural hematoma of a musculoskeletal structure following other procedure
    • M96.842 Postprocedural seroma of a musculoskeletal structure following a musculoskeletal system procedure
    • M96.843 Postprocedural seroma of a musculoskeletal structure following other procedure
  • M96.8
    • M96.89 Other intraoperative and postprocedural complications and disorders of the musculoskeletal system
  • N98
    • N98.1 Hyperstimulation of ovaries
    • N98.2 Complications of attempted introduction of fertilized ovum following in vitro fertilization
    • N98.3 Complications of attempted introduction of embryo in embryo transfer
    • N98.8 Other complications associated with artificial fertilization
    • N98.9 Complication associated with artificial fertilization, unspecified
  • N99.6
    • N99.61 Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating a genitourinary system procedure
    • N99.62 Intraoperative hemorrhage and hematoma of a genitourinary system organ or structure complicating other procedure
  • N99.82
    • N99.820 Postprocedural hemorrhage of a genitourinary system organ or structure following a genitourinary system procedure
    • N99.821 Postprocedural hemorrhage of a genitourinary system organ or structure following other procedure
  • N99.84
    • N99.840 Postprocedural hematoma of a genitourinary system organ or structure following a genitourinary system procedure
    • N99.841 Postprocedural hematoma of a genitourinary system organ or structure following other procedure
    • N99.842 Postprocedural seroma of a genitourinary system organ or structure following a genitourinary system procedure
    • N99.843 Postprocedural seroma of a genitourinary system organ or structure following other procedure
  • T81.30
    • T81.30XA Disruption of wound, unspecified, initial encounter
  • T81.31
    • T81.31XA Disruption of external operation (surgical) wound, not elsewhere classified, initial encounter
  • T81.32
    • T81.32XA Disruption of internal operation (surgical) wound, not elsewhere classified, initial encounter
  • T81.33
    • T81.33XA Disruption of traumatic injury wound repair, initial encounter
  • T81.81
    • T81.81XA Complication of inhalation therapy, initial encounter
  • T81.82
    • T81.82XA Emphysema (subcutaneous) resulting from a procedure, initial encounter
  • T81.89
    • T81.89XA Other complications of procedures, not elsewhere classified, initial encounter
  • T85.310
    • T85.310A Breakdown (mechanical) of prosthetic orbit of right eye, initial encounter
  • T85.311
    • T85.311A Breakdown (mechanical) of prosthetic orbit of left eye, initial encounter
  • T85.320
    • T85.320A Displacement of prosthetic orbit of right eye, initial encounter
  • T85.321
    • T85.321A Displacement of prosthetic orbit of left eye, initial encounter
  • T85.390
    • T85.390A Other mechanical complication of prosthetic orbit of right eye, initial encounter
  • T85.391
    • T85.391A Other mechanical complication of prosthetic orbit of left eye, initial encounter
  • T85.510
    • T85.510A Breakdown (mechanical) of bile duct prosthesis, initial encounter
  • T85.511
    • T85.511A Breakdown (mechanical) of esophageal anti-reflux device, initial encounter
  • T85.518
    • T85.518A Breakdown (mechanical) of other gastrointestinal prosthetic devices, implants and grafts, initial encounter
  • T85.520
    • T85.520A Displacement of bile duct prosthesis, initial encounter
  • T85.521
    • T85.521A Displacement of esophageal anti-reflux device, initial encounter
  • T85.528
    • T85.528A Displacement of other gastrointestinal prosthetic devices, implants and grafts, initial encounter
  • T85.590
    • T85.590A Other mechanical complication of bile duct prosthesis, initial encounter
  • T85.591
    • T85.591A Other mechanical complication of esophageal anti-reflux device, initial encounter
  • T85.598
    • T85.598A Other mechanical complication of other gastrointestinal prosthetic devices, implants and grafts, initial encounter
  • T85.611
    • T85.611A Breakdown (mechanical) of intraperitoneal dialysis catheter, initial encounter
  • T85.612
    • T85.612A Breakdown (mechanical) of permanent sutures, initial encounter
  • T85.613
    • T85.613A Breakdown (mechanical) of artificial skin graft and decellularized allodermis, initial encounter
  • T85.614
    • T85.614A Breakdown (mechanical) of insulin pump, initial encounter
  • T85.618
    • T85.618A Breakdown (mechanical) of other specified internal prosthetic devices, implants and grafts, initial encounter
  • T85.621
    • T85.621A Displacement of intraperitoneal dialysis catheter, initial encounter
  • T85.622
    • T85.622A Displacement of permanent sutures, initial encounter
  • T85.623
    • T85.623A Displacement of artificial skin graft and decellularized allodermis, initial encounter
  • T85.624
    • T85.624A Displacement of insulin pump, initial encounter
  • T85.628
    • T85.628A Displacement of other specified internal prosthetic devices, implants and grafts, initial encounter
  • T85.631
    • T85.631A Leakage of intraperitoneal dialysis catheter, initial encounter
  • T85.633
    • T85.633A Leakage of insulin pump, initial encounter
  • T85.638
    • T85.638A Leakage of other specified internal prosthetic devices, implants and grafts, initial encounter
  • T85.691
    • T85.691A Other mechanical complication of intraperitoneal dialysis catheter, initial encounter
  • T85.692
    • T85.692A Other mechanical complication of permanent sutures, initial encounter
  • T85.693
    • T85.693A Other mechanical complication of artificial skin graft and decellularized allodermis, initial encounter
  • T85.694
    • T85.694A Other mechanical complication of insulin pump, initial encounter
  • T85.698
    • T85.698A Other mechanical complication of other specified internal prosthetic devices, implants and grafts, initial encounter
  • T85.71
    • T85.71XA Infection and inflammatory reaction due to peritoneal dialysis catheter, initial encounter
  • T85.72
    • T85.72XA Infection and inflammatory reaction due to insulin pump, initial encounter
  • T85.79
    • T85.79XA Infection and inflammatory reaction due to other internal prosthetic devices, implants and grafts, initial encounter
  • T85.818
    • T85.818A Embolism due to other internal prosthetic devices, implants and grafts, initial encounter
  • T85.828
    • T85.828A Fibrosis due to other internal prosthetic devices, implants and grafts, initial encounter
  • T85.838
    • T85.838A Hemorrhage due to other internal prosthetic devices, implants and grafts, initial encounter
  • T85.848
    • T85.848A Pain due to other internal prosthetic devices, implants and grafts, initial encounter
  • T85.858
    • T85.858A Stenosis due to other internal prosthetic devices, implants and grafts, initial encounter
  • T85.868
    • T85.868A Thrombosis due to other internal prosthetic devices, implants and grafts, initial encounter
  • T85.898
    • T85.898A Other specified complication of other internal prosthetic devices, implants and grafts, initial encounter
  • T85.9
    • T85.9XXA Unspecified complication of internal prosthetic device, implant and graft, initial encounter
  • T86
    • T86.5 Complications of stem cell transplant
  • T86.82
    • T86.820 Skin graft (allograft) rejection
    • T86.821 Skin graft (allograft) (autograft) failure
    • T86.822 Skin graft (allograft) (autograft) infection
    • T86.828 Other complications of skin graft (allograft) (autograft)
    • T86.829 Unspecified complication of skin graft (allograft) (autograft)
  • T86.83
  • T86.842
    • T86.8421 Corneal transplant infection, right eye
    • T86.8422 Corneal transplant infection, left eye
    • T86.8423 Corneal transplant infection, bilateral
    • T86.8429 Corneal transplant infection, unspecified eye
  • T86.848
    • T86.8481 Other complications of corneal transplant, right eye
    • T86.8482 Other complications of corneal transplant, left eye
    • T86.8483 Other complications of corneal transplant, bilateral
    • T86.8489 Other complications of corneal transplant, unspecified eye
  • T86.849
    • T86.8491 Unspecified complication of corneal transplant, right eye
    • T86.8492 Unspecified complication of corneal transplant, left eye
    • T86.8493 Unspecified complication of corneal transplant, bilateral
    • T86.8499 Unspecified complication of corneal transplant, unspecified eye
  • T86.85
    • T86.850 Intestine transplant rejection
    • T86.851 Intestine transplant failure
    • T86.852 Intestine transplant infection
    • T86.858 Other complications of intestine transplant
    • T86.859 Unspecified complication of intestine transplant
  • T86.9
    • T86.90 Unspecified complication of unspecified transplanted organ and tissue
    • T86.91 Unspecified transplanted organ and tissue rejection
    • T86.92 Unspecified transplanted organ and tissue failure
    • T86.93 Unspecified transplanted organ and tissue infection
    • T86.99 Other complications of unspecified transplanted organ and tissue
  • T88.4
    • T88.4XXA Failed or difficult intubation, initial encounter
  • T88.7
    • T88.7XXA Unspecified adverse effect of drug or medicament, initial encounter
  • T88.8
    • T88.8XXA Other specified complications of surgical and medical care, not elsewhere classified, initial encounter
  • T88.9
    • T88.9XXA Complication of surgical and medical care, unspecified, initial encounter