ICD-10-CM Codes
K00-K95
K90-K95
K91-
2023 ICD-10-CM Diagnosis Code K91.2

2023 ICD-10-CM Diagnosis Code K91.2

Postsurgical malabsorption, not elsewhere classified

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

K91.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM K91.2 became effective on October 1, 2022.
This is the American ICD-10-CM version of K91.2 - other international versions of ICD-10 K91.2 may differ.

Applicable To

Postsurgical blind loop syndrome

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as K91.2. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

malabsorption osteomalacia in adults (
ICD-10-CM Diagnosis Code M83.2
Adult osteomalacia due to malabsorption
Applicable To
- Postsurgical malabsorption osteomalacia in adults
M83.2
)
malabsorption osteoporosis, postsurgical (
ICD-10-CM Diagnosis Code M80.8
Other osteoporosis with current pathological fracture
Applicable To
- Drug-induced osteoporosis with current pathological fracture
- Idiopathic osteoporosis with current pathological fracture
- Osteoporosis of disuse with current pathological fracture
- Postoophorectomy osteoporosis with current pathological fracture
- Postsurgical malabsorption osteoporosis with current pathological fracture
- Post-traumatic osteoporosis with current pathological fracture
Use Additional
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
M80.8-
,
ICD-10-CM Diagnosis Code M81.8
Other osteoporosis without current pathological fracture
Applicable To
- Drug-induced osteoporosis without current pathological fracture
- Idiopathic osteoporosis without current pathological fracture
- Osteoporosis of disuse without current pathological fracture
- Postoophorectomy osteoporosis without current pathological fracture
- Postsurgical malabsorption osteoporosis without current pathological fracture
- Post-traumatic osteoporosis without current pathological fracture
Use Additional
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
M81.8
)

The following code(s) above K91.2 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to K91.2:

K00-K95
2023 ICD-10-CM Range K00-K95
Diseases of the digestive system
Type 2 Excludes
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Diseases of the digestive system
K91
ICD-10-CM Diagnosis Code K91
Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified
Type 2 Excludes
- complications of artificial opening of digestive system (K94.-)
- complications of bariatric procedures (K95.-)
- gastrojejunal ulcer (K28.-)
- postprocedural (radiation) retroperitoneal abscess (K68.11)
- radiation colitis (K52.0)
- radiation gastroenteritis (K52.0)
- radiation proctitis (K62.7)
Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

Approximate Synonyms

Malabsorption, postoperative
Malnutrition following gastrointestinal surgery
Malnutrition post gi surgery
Post-surgical malabsorption
Short bowel syndrome

ICD-10-CM K91.2 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc
791 Prematurity with major problems
793 Full term neonate with major problems

Convert K91.2 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Code annotations containing back-references to K91.2:

Type 1 Excludes: K90
, K90.2

ICD-10-CM Diagnosis Code K90
Intestinal malabsorption
Type 1 Excludes
- intestinal malabsorption following gastrointestinal surgery (K91.2)
ICD-10-CM Diagnosis Code K90.2
Blind loop syndrome, not elsewhere classified
Applicable To
- Blind loop syndrome NOS
Type 1 Excludes
- congenital blind loop syndrome (Q43.8)
- postsurgical blind loop syndrome (K91.2)

Diagnosis Index entries containing back-references to K91.2:

Complication(s) (from) (of)
- gastrointestinal K92.9
  ICD-10-CM Diagnosis Code K92.9
  Disease of digestive system, unspecified
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  - postoperative
    - malabsorption NEC K91.2
- surgical procedure (on) T81.9
  ICD-10-CM Diagnosis Code T81.9
  Unspecified complication of procedure
  2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  - malabsorption (postsurgical) K91.2
Disorder (of) - see also Disease
- intestine, intestinal
  - carbohydrate absorption NEC E74.39
    ICD-10-CM Diagnosis Code E74.39
    Other disorders of intestinal carbohydrate absorption
    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    Disorder of intestinal carbohydrate absorption NOS
    Glucose-galactose malabsorption
    Sucrase deficiency
    - postoperative K91.2
Malabsorption K90.9
ICD-10-CM Diagnosis Code K90.9
Intestinal malabsorption, unspecified
- syndrome K90.9
  ICD-10-CM Diagnosis Code K90.9
  Intestinal malabsorption, unspecified
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  - postsurgical K91.2
- postgastrectomy K91.2
- postsurgical K91.2
Malnutrition E46
ICD-10-CM Diagnosis Code E46
Unspecified protein-calorie malnutrition
Applicable To
Malnutrition NOS
Protein-calorie imbalance NOS
Type 1 Excludes
nutritional deficiency NOS (E63.9)
- following gastrointestinal surgery K91.2
Short, shortening, shortness
- bowel syndrome K91.2
Syndrome - see also Disease
- blind loop K90.2
  ICD-10-CM Diagnosis Code K90.2
  Blind loop syndrome, not elsewhere classified
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  Applicable To
  Blind loop syndrome NOS
  Type 1 Excludes
  congenital blind loop syndrome (Q43.8)
  postsurgical blind loop syndrome (K91.2)
  - postsurgical K91.2
- malabsorption K90.9
  ICD-10-CM Diagnosis Code K90.9
  Intestinal malabsorption, unspecified
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  - postsurgical K91.2
- short
  - bowel K91.2
Tachyalimentation K91.2

ICD-10-CM Codes Adjacent To K91.2

K90.4 Other malabsorption due to intolerance

K90.41 Non-celiac gluten sensitivity

K90.49 Malabsorption due to intolerance, not elsewhere classified

K90.8 Other intestinal malabsorption

K90.81 Whipple's disease

K90.89 Other intestinal malabsorption

K90.9 Intestinal malabsorption, unspecified

K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

K91.0 Vomiting following gastrointestinal surgery

K91.1 Postgastric surgery syndromes

K91.2 Postsurgical malabsorption, not elsewhere classified

K91.3 Postprocedural intestinal obstruction

K91.30 …… unspecified as to partial versus complete

K91.31 Postprocedural partial intestinal obstruction

K91.32 Postprocedural complete intestinal obstruction

K91.5 Postcholecystectomy syndrome

K91.6 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure

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

K91.7 Accidental puncture and laceration of a digestive system organ or structure during a procedure

K91.71 Accidental puncture and laceration of a digestive system organ or structure during a digestive system procedure

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2023 ICD-10-CM Diagnosis Code K91.2

Postsurgical malabsorption, not elsewhere classified

Adult osteomalacia due to malabsorption

Other osteoporosis with current pathological fracture

Other osteoporosis without current pathological fracture

Diseases of the digestive system

Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified

Intestinal malabsorption

Blind loop syndrome, not elsewhere classified

Disease of digestive system, unspecified

Unspecified complication of procedure

Other disorders of intestinal carbohydrate absorption

Intestinal malabsorption, unspecified

Intestinal malabsorption, unspecified

Unspecified protein-calorie malnutrition

Blind loop syndrome, not elsewhere classified

Intestinal malabsorption, unspecified