2024 ICD-10-CM Diagnosis Code K59.1
Functional diarrhea
- 2016 2017 2018 2019 2020 2021 2022 2023 2024 Billable/Specific Code
- K59.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM K59.1 became effective on October 1, 2023.
- This is the American ICD-10-CM version of K59.1 - other international versions of ICD-10 K59.1 may differ.
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 K59.1. 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.
The following code(s) above K59.1 contain annotation back-references
ICD-10-CM K59.1 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
that may be applicable to K59.1:
- 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
- K00-K95 2024 ICD-10-CM Range K00-K95Diseases of the digestive system
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)
- K59 ICD-10-CM Diagnosis Code K59Other functional intestinal disorders
- 391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
- 392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc
Convert K59.1 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
- 2024 (effective 10/1/2023): No change
Code annotations containing back-references to K59.1:
-
Type 1 Excludes: K52.9, R19.4, R19.7
ICD-10-CM Diagnosis Code K52.9
Noninfective gastroenteritis and colitis, unspecified
- 2016 2017 2018 2019 2020 2021 2022 2023 2024 Billable/Specific Code
Applicable To- Colitis NOS
- Enteritis NOS
- Gastroenteritis NOS
- Ileitis NOS
- Jejunitis NOS
- Sigmoiditis NOS
ICD-10-CM Diagnosis Code R19.4ICD-10-CM Diagnosis Code R19.7
Diagnosis Index entries containing back-references to K59.1:
- Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7ICD-10-CM Diagnosis Code R19.7
- functional K59.1
- neurogenic K59.1
ICD-10-CM Codes Adjacent To K59.1
K58.8 Other irritable bowel syndrome
K58.9 Irritable bowel syndrome without diarrhea
K59 Other functional intestinal disorders
K59.0 Constipation
K59.00 …… unspecified
K59.01 Slow transit constipation
K59.02 Outlet dysfunction constipation
K59.03 Drug induced constipation
K59.04 Chronic idiopathic constipation
K59.09 Other constipation
K59.1
Functional diarrhea
K59.2 Neurogenic bowel, not elsewhere classified
K59.3 Megacolon, not elsewhere classified
K59.31 Toxic megacolon
K59.39 Other megacolon
K59.4 Anal spasm
K59.8 Other specified functional intestinal disorders
K59.81 Ogilvie syndrome
K59.89 Other specified functional intestinal disorders
K59.9 Functional intestinal disorder, unspecified
K60 Fissure and fistula of anal and rectal regions
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.