ICD-10-CM Codes
K00-K95 Diseases of the digestive system
K55-K64 Other diseases of intestines
K59- Other functional intestinal disorders
2021 ICD-10-CM Diagnosis Code K59.4

2021 ICD-10-CM Diagnosis Code K59.4

Anal spasm

2016

2017

2018

2019

2020

2021

Billable/Specific Code

K59.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM K59.4 became effective on October 1, 2020.
This is the American ICD-10-CM version of K59.4 - other international versions of ICD-10 K59.4 may differ.

Applicable To

Proctalgia fugax

The following code(s) above K59.4 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 K59.4:

K00-K95
2021 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
K59
ICD-10-CM Diagnosis Code K59
Other functional intestinal disorders
Type 1 Excludes
- change in bowel habit NOS (R19.4)
- intestinal malabsorption (K90.-)
- psychogenic intestinal disorders (F45.8)
Type 2 Excludes
- functional disorders of stomach (K31.-)
Other functional intestinal disorders

Approximate Synonyms

Painful spasm of anus
Proctalgia fugax

ICD-10-CM K59.4 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

391 Esophagitis, gastroenteritis and miscellaneous digestive disorders with mcc
392 Esophagitis, gastroenteritis and miscellaneous digestive disorders without mcc

Convert K59.4 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

Diagnosis Index entries containing back-references to K59.4:

Proctalgia K62.89
ICD-10-CM Diagnosis Code K62.89
Other specified diseases of anus and rectum
Applicable To
Proctitis NOS
Use Additional
code for any associated fecal incontinence (R15.-)
- fugax K59.4
- spasmodic K59.4
Proctospasm K59.4
Spasm(s) R25.2
- see also condition
ICD-10-CM Diagnosis Code R25.2
Cramp and spasm
Type 2 Excludes
carpopedal spasm (R29.0)
charley-horse (M62.831)
infantile spasms (G40.4-)
muscle spasm of back (M62.830)
muscle spasm of calf (M62.831)
- anus, ani (sphincter) (reflex) K59.4
- rectum (sphincter) K59.4

ICD-10-CM Codes Adjacent To K59.4

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

K60.0 Acute anal fissure

K60.1 Chronic anal fissure

K60.2 Anal fissure, unspecified

K60.3 Anal fistula

K60.4 Rectal fistula

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

2021 ICD-10-CM Diagnosis Code K59.4

Anal spasm

Diseases of the digestive system

Other functional intestinal disorders

Other specified diseases of anus and rectum

Cramp and spasm