ICD-10 N30.1
Non-Billable HeaderInterstitial cystitis (chronic)
About ICD-10-CM N30.1
ICD-10-CM code N30.1 represents Interstitial cystitis (chronic). This is a non-billable header code in the Genitourinary System chapter (block N30). The 2026 edition of ICD-10-CM N30.1 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Medicare LCD Coverage for N30.1
Local Coverage Determinations (LCDs) from CMS MACs that list N30.1 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N30.1.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but N30.1 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with N30.1
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 51700 Insertion of indwelling bladder catheter Urology
- 51701 Insertion of indwelling bladder catheter, with fluoroscopic guidance Urology
- 51702 Insertion of indwelling bladder catheter, with ultrasound guidance Urology
- 51720 Change of indwelling bladder catheter Urology
- 51798 Other procedures related to indwelling bladder catheter Urology
- 51703 Insertion of indwelling bladder catheter, with cystoscopy Urology
- 51704 Change of indwelling bladder catheter, with cystoscopy Urology
- 51705 Insertion of suprapubic catheter Urology
- 51710 Change of suprapubic catheter Urology
- 51715 Insertion of ureteral catheter Urology
Codes Adjacent To N30.1
Other codes in section N30-N39 (Other diseases of the urinary system).
ICD-10 N30.1, Billing FAQ
Is ICD-10 code N30.1 billable? +
No, N30.1 is a non-billable header code. Use a more specific child code from block N30 when submitting claims.
What CPT codes are commonly billed with N30.1? +
Procedures frequently paired with N30.1 include: 51700, 51701, 51702, 51720, 51798.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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