ICD-10 K83.09
Billable / Specific CCOther cholangitis
About ICD-10-CM K83.09
ICD-10-CM code K83.09 represents Other cholangitis. This is a billable/specific code in the Digestive System chapter (block K83). The 2026 edition of ICD-10-CM K83.09 became effective on October 1, 2025.
Coding Tips for K83.09
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
K83.09 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under K83.09. Per CMS ICD-10-CM Tabular 2026.
- Ascending cholangitis
- Cholangitis NOS
- Primary cholangitis
- Recurrent cholangitis
- Sclerosing cholangitis
- Secondary cholangitis
- Stenosing cholangitis
- Suppurative cholangitis
Inpatient DRG Impact, CC
codes Other cholangitis. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for K83.09
Local Coverage Determinations (LCDs) from CMS MACs that list K83.09 as a covered diagnosis.
Showing top 10 of 195 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing K83.09.
1 Cigna
5 Medicare
1 Aetna
CPT Codes Commonly Billed with K83.09
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To K83.09
Other codes in section K80-K87 (Disorders of gallbladder, biliary tract and pancreas).
ICD-10 K83.09, Billing FAQ
Is ICD-10 code K83.09 billable? +
Yes, K83.09 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to K83.09? +
ICD-10 K83.09 includes: Ascending cholangitis; Cholangitis NOS; Primary cholangitis, and 5 more clinical synonyms.
Is K83.09 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
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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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