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ICD-10-CM Codes
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K00-K95
Diseases of the digestive system
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K40-K46
Hernia
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K40-
Inguinal hernia
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2021 ICD-10-CM Diagnosis Code K40.21
2021 ICD-10-CM Diagnosis Code K40.21
Bilateral inguinal hernia, without obstruction or gangrene, recurrent
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- K40.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Bilateral inguinal hernia, w/o obst or gangrene, recurrent
- The 2021 edition of ICD-10-CM K40.21 became effective on October 1, 2020.
- This is the American ICD-10-CM version of K40.21 - other international versions of ICD-10 K40.21 may differ.
The following code(s) above
K40.21 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
K40.21:
- K00-K95
2021 ICD-10-CM Range K00-K95
Diseases of the digestive systemType 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)
- K40-K46
2021 ICD-10-CM Range K40-K46
HerniaIncludes- acquired hernia
- congenital [except diaphragmatic or hiatus] hernia
- recurrent hernia
Note- Hernia with both gangrene and obstruction is classified to hernia with gangrene.
- K40
ICD-10-CM Diagnosis Code K40
Inguinal hernia
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Includes- bubonocele
- direct inguinal hernia
- double inguinal hernia
- indirect inguinal hernia
- inguinal hernia NOS
- oblique inguinal hernia
- scrotal hernia
- Bilateral recurrent inguinal hernia
- Both sides recurrent inguinal hernias
ICD-10-CM K40.21 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 393 Other digestive system diagnoses with mcc
- 394 Other digestive system diagnoses with cc
- 395 Other digestive system diagnoses without cc/mcc
Convert K40.21 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
- Hernia, hernial (acquired) (recurrent) K46.9
ICD-10-CM Diagnosis Code K46.9
Unspecified abdominal hernia without obstruction or gangrene
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- inguinal (direct) (external) (funicular) (indirect) (internal) (oblique) (scrotal) (sliding) K40.90
ICD-10-CM Diagnosis Code K40.90
Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Inguinal hernia NOS
- Unilateral inguinal hernia NOS
- bilateral K40.20
ICD-10-CM Diagnosis Code K40.20
Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Bilateral inguinal hernia NOS
ICD-10-CM Codes Adjacent To K40.21
K38.9 Disease of appendix, unspecified
K40.0 Bilateral inguinal hernia, with obstruction, without gangrene
K40.00 …… not specified as recurrent
K40.1 Bilateral inguinal hernia, with gangrene
K40.10 …… not specified as recurrent
K40.2 Bilateral inguinal hernia, without obstruction or gangrene
K40.20 …… not specified as recurrent
K40.21
…… recurrent
K40.3 Unilateral inguinal hernia, with obstruction, without gangrene
K40.30 …… not specified as recurrent
K40.4 Unilateral inguinal hernia, with gangrene
K40.40 …… not specified as recurrent
K40.9 Unilateral inguinal hernia, without obstruction or gangrene
K40.90 …… not specified as recurrent
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
