ICD-10-CM Codes
Q00-Q99
Q38-Q45
Q40-
2023 ICD-10-CM Diagnosis Code Q40.1

2023 ICD-10-CM Diagnosis Code Q40.1

Congenital hiatus hernia

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

POA Exempt

Q40.1 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 Q40.1 became effective on October 1, 2022.
This is the American ICD-10-CM version of Q40.1 - other international versions of ICD-10 Q40.1 may differ.

Applicable To

Congenital displacement of cardia through esophageal hiatus

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 Q40.1. 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.

congenital diaphragmatic hernia (
ICD-10-CM Diagnosis Code Q79.0
Congenital diaphragmatic hernia
Type 1 Excludes
- congenital hiatus hernia (Q40.1)
Q79.0
)

The following code(s) above Q40.1 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 Q40.1:

Q00-Q99
2023 ICD-10-CM Range Q00-Q99
Congenital malformations, deformations and chromosomal abnormalities
Note
- Codes from this chapter are not for use on maternal records
Type 2 Excludes
- inborn errors of metabolism (E70-E88)
Congenital malformations, deformations and chromosomal abnormalities

Approximate Synonyms

Congenital hiatal hernia

Present On Admission

POA Help

"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.

Q40.1 is considered exempt from POA reporting.

ICD-10-CM Q40.1 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

393 Other digestive system diagnoses with mcc
394 Other digestive system diagnoses with cc
395 Other digestive system diagnoses without cc/mcc

Convert Q40.1 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

Code annotations containing back-references to Q40.1:

Type 1 Excludes: Q79.0
, K44

ICD-10-CM Diagnosis Code Q79.0
Congenital diaphragmatic hernia
Type 1 Excludes
- congenital hiatus hernia (Q40.1)
ICD-10-CM Diagnosis Code K44
Diaphragmatic hernia
Includes
- hiatus hernia (esophageal) (sliding)
- paraesophageal hernia
Type 1 Excludes
- congenital diaphragmatic hernia (Q79.0)
- congenital hiatus hernia (Q40.1)
Type 2 Excludes: Q45

ICD-10-CM Diagnosis Code Q45
Other congenital malformations of digestive system
Type 2 Excludes
- congenital diaphragmatic hernia (Q79.0)
- congenital hiatus hernia (Q40.1)

Diagnosis Index entries containing back-references to Q40.1:

Displacement, displaced
- cardia through esophageal hiatus Q40.1 (congenital)
Hernia, hernial (acquired) (recurrent) K46.9
ICD-10-CM Diagnosis Code K46.9
Unspecified abdominal hernia without obstruction or gangrene
Applicable To
Abdominal hernia NOS
- hiatal (esophageal) (sliding) K44.9
  ICD-10-CM Diagnosis Code K44.9
  Diaphragmatic hernia without obstruction or gangrene
  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  Applicable To
  Diaphragmatic hernia NOS
  - congenital Q40.1
- paraesophageal - see also Hernia, diaphragm
  - congenital Q40.1

ICD-10-CM Codes Adjacent To Q40.1

Q39.1 Atresia of esophagus with tracheo-esophageal fistula

Q39.2 Congenital tracheo-esophageal fistula without atresia

Q39.3 Congenital stenosis and stricture of esophagus

Q39.4 Esophageal web

Q39.5 Congenital dilatation of esophagus

Q39.6 Congenital diverticulum of esophagus

Q39.8 Other congenital malformations of esophagus

Q39.9 Congenital malformation of esophagus, unspecified

Q40 Other congenital malformations of upper alimentary tract

Q40.0 Congenital hypertrophic pyloric stenosis

Q40.1 Congenital hiatus hernia

Q40.2 Other specified congenital malformations of stomach

Q40.3 Congenital malformation of stomach, unspecified

Q40.8 Other specified congenital malformations of upper alimentary tract

Q40.9 Congenital malformation of upper alimentary tract, unspecified

Q41 Congenital absence, atresia and stenosis of small intestine

Q41.0 Congenital absence, atresia and stenosis of duodenum

Q41.1 Congenital absence, atresia and stenosis of jejunum

Q41.2 Congenital absence, atresia and stenosis of ileum

Q41.8 Congenital absence, atresia and stenosis of other specified parts of small intestine

Q41.9 Congenital absence, atresia and stenosis of small intestine, part unspecified

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 Q40.1

Congenital hiatus hernia

Congenital diaphragmatic hernia

Congenital malformations, deformations and chromosomal abnormalities

Congenital diaphragmatic hernia

Diaphragmatic hernia

Other congenital malformations of digestive system

Unspecified abdominal hernia without obstruction or gangrene

Diaphragmatic hernia without obstruction or gangrene