K40.90
K40.90: Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
Billable / specific codeICD-10-CM
K40.90 is a billable, specific ICD-10-CM code for unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent. It is valid for submission on a claim.
Check K40.90 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Inguinal hernia NOS
- Unilateral inguinal hernia NOS
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K40.90 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56787Billing and Coding: Nonvascular Extremity Ultrasound
Alphabetic index entries that lead here
- Hernia, hernial›inguinal(direct) (external) (funicular) (indirect) (internal) (oblique) (scrotal) (sliding)
- Hernia, hernial›inguinal›not specified as recurrent
- Hernia, hernial›inguinal›unilateral
- Hernia, hernial›inguinal›unilateral›not specified as recurrent
Code history
Unchanged in every release from FY2024 to FY2027.