Q79.1 – Other congenital malformations of diaphragm
ICD-10-CM 2027 diagnosis code · Congenital malformations and deformations of the musculoskeletal system
- Code
Q79.1(claims format:Q791)- Description
- Other congenital malformations of diaphragm
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
- Parent codes
- Q79
Notes for Q79.1
- Absence of diaphragm
- Congenital malformation of diaphragm NOS
- Eventration of diaphragm
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q79 – Congenital malformations of musculoskeletal system, not elsewhere classified
- congenital (sternomastoid) torticollis (Q68.0)
Index terms for Q79.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- High, diaphragm
- Absence, diaphragm
- Agenesis, diaphragm
- Deformity, diaphragm
- Eventration, diaphragm
- Malformation, diaphragm
- Anomaly, anomalous, diaphragm
- Hypertrophy, hypertrophic, hiatus
- Defect, defective, diaphragm, congenital
- Elevated, elevation, diaphragm, congenital
- Hypertrophy, hypertrophic, esophageal hiatus
- Enlargement, enlarged, apertures of diaphragm
- Abnormal, abnormality, abnormalities, apertures, congenital, diaphragm
Related codes in Q79
- Q79.0 – Congenital diaphragmatic herniaBillable
- Q79.2 – ExomphalosBillable
- Q79.3 – GastroschisisBillable
- Q79.4 – Prune belly syndromeBillable
- Q79.5 – Other congenital malformations of abdominal wallHeader
- Q79.6 – Ehlers-Danlos syndromesHeader
- Q79.8 – Other congenital malformations of musculoskeletal systemBillable
- Q79.9 – Congenital malformation of musculoskeletal system, unspecifiedBillable
Frequently asked questions
What is ICD-10 code Q79.1?
Q79.1 is the ICD-10-CM code for other congenital malformations of diaphragm, in the block Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).
Is Q79.1 a billable code?
Yes. Q79.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q79.1 belong to?
It belongs to category Q79 – Congenital malformations of musculoskeletal system, not elsewhere classified.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.