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    OpenPayerBilling CodesOther congenital malformations of the digestive systemICD-10-CM q41-congenital-absence-atresia-stenosis-small-intestine
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    ICD-10-CM Code For Congenital Absence, Atresia And Stenosis Of Small Intestine: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group Q41 includes congenital absence, atresia, and stenosis of the small intestine, covering developmental anomalies such as jejunal and ileal atresia and stenosis that cause intestinal obstruction. These ICD-10-CM diagnosis codes are used to document clinical scenarios such as neonatal intestinal obstruction, failure to pass meconium, and other presentations requiring surgical intervention, capturing disease severity and anatomic involvement. Accurate coding within the ICD-10-CM Q41 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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    ICD-10-CM Q41: Congenital Absence, Atresia And Stenosis Of Small Intestine Overview

    The ICD-10-CM Q41 code group covers congenital absence, atresia, and stenosis of the small intestine, congenital malformations that affect intestinal continuity and lumen size. These conditions involve the small bowel and can present with neonatal obstruction, feeding intolerance, and failure to thrive. Accurate coding is important for complete clinical documentation and supports appropriate reimbursement for surgical and neonatal care.

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    When to Use

    Use a code from this group when a congenital absence, atresia, or stenosis of the small intestine is diagnosed, typically in neonates presenting with intestinal obstruction or feeding intolerance. Select the code that reflects the documented anatomic location and specific condition to support accurate clinical and billing records.

    ICD-10-CM Codes

    5 rows

    ICD-10-CM CodeDescription
    Q41.0Congenital absence, atresia and stenosis of duodenum
    Q41.1Congenital absence, atresia and stenosis of jejunum
    Q41.2Congenital absence, atresia and stenosis of ileum
    Q41.8Congenital absence, atresia and stenosis of other specified parts of small intestine
    Q41.9Congenital absence, atresia and stenosis of small intestine, part unspecified

    DRG Codes

    3 rows

    DRG CodeDescription
    393Other Digestive System Diagnoses with MCC
    394Other Digestive System Diagnoses with CC
    395Other Digestive System Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • A neonate born at term with bilious vomiting and abdominal distention within the first 24 hours of life is evaluated in the newborn nursery. Prenatal ultrasounds were unremarkable, but plain abdominal radiographs show multiple dilated bowel loops and an absence of gas in the distal intestines; surgical consult and contrast study suggest jejunal atresia requiring urgent operative repair. A diagnosis from this group is assigned to document congenital jejunal atresia as the cause of small intestinal obstruction. Typical codes: Q41.1
    • An infant with failure to thrive and chronic intermittent vomiting since birth presents to pediatric gastroenterology for evaluation of malabsorption and poor weight gain. Imaging and contrast studies identify a focal segmental stenosis of the ileum causing partial obstruction and recurrent feeding intolerance, managed expectantly with nutritional support and planned elective surgery. A code from this group is used to record congenital ileal stenosis contributing to chronic gastrointestinal symptoms and growth delay. Typical codes: Q41.2
    • An adult with a history of multiple congenital intestinal surgeries in childhood is seen for adhesive small-bowel obstruction; review of records reveals a previously repaired congenital atresia of the small intestine with residual blind-ending segment found at prior neonatal laparotomy. The historical congenital anomaly is documented to explain the patient’s altered anatomy and to code the congenital origin of the structural abnormality alongside current complication coding. Typical codes: Q41.9, Q41.0

    Related Codes

    Q38-OTHER-CONGENITAL-MALFORMATIONS-TONGUE-MOUTH-PHARYNX

    ICD-10-CM Code For Other Congenital Malformations Of Tongue Mouth And Pharynx: Group Overview

    Q39-CONGENITAL-MALFORMATIONS-OF-ESOPHAGUS

    ICD-10-CM Code For Congenital Malformations Of Esophagus: Group Overview

    Q40-OTHER-CONGENITAL-MALFORMATIONS-UPPER-ALIMENTARY-TRACT

    ICD-10-CM Code For Other Congenital Malformations Of Upper Alimentary Tract: Group Overview

    Q42-CONGENITAL-LARGE-INTESTINE-MALFORMATIONS

    ICD-10-CM Code For Congenital Absence, Atresia And Stenosis Of Large Intestine: Group Overview

    Q43-OTHER-CONGENITAL-MALFORMATIONS-OF-INTESTINE

    ICD-10-CM Code For Other Congenital Malformations Of Intestine: Group Overview

    Q44-CONGENITAL-MALFORMATIONS-OF-GALLBLADDER

    ICD-10-CM Code For Congenital Malformations Of Gallbladder, Bile Ducts And Liver: Group Overview

    Q45-OTHER-CONGENITAL-MALFORMATIONS-DIGESTIVE

    ICD-10-CM Code For Other Congenital Malformations Of Digestive System: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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