K80.01 is the authoritative medical code for Calculus of gallbladder with acute cholecystitis with obstruction. This classification is used in medical billing and clinical recording to specify the clinical criteria for calculus of gallbladder with acute cholecystitis with obstruction (ICD-10-CM K80.01), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Calculus of gallbladder with acute cholecystitis with obstruction is a billable ICD-10-CM diagnosis code K80.01. Excludes1 (not coded here): retained cholelithiasis following cholecystectomy K91.86. Use additional code: code if applicable for associated gangrene of gallbladder K82.A1, or perforation of gallbladder K82.A2.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for K80.01 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- retained cholelithiasis following cholecystectomy K91.86
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code if applicable for associated gangrene of gallbladder K82.A1, or perforation of gallbladder K82.A2
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with K80.01?
Per Excludes1 instructions, K80.01 must not be reported with: retained cholelithiasis following cholecystectomy (K91.86).
Is an additional code needed with K80.01?
Use additional code(s) to specify: code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as K80.01, with their registry titles.
- K80 — Cholelithiasis
- K80.0 — Calculus of gallbladder with acute cholecystitis
- K80.1 — Calculus of gallbladder with other cholecystitis
- K80.10 — Calculus of gallbladder with chronic cholecystitis without obstruction
- K80.11 — Calculus of gallbladder with chronic cholecystitis with obstruction
- K80.12 — Calculus of gallbladder with acute and chronic cholecystitis without obstruction
- K80.13 — Calculus of gallbladder with acute and chronic cholecystitis with obstruction
- K80.18 — Calculus of gallbladder with other cholecystitis without obstruction
- K80.19 — Calculus of gallbladder with other cholecystitis with obstruction
- K80.2 — Calculus of gallbladder without cholecystitis
- K80.20 — Calculus of gallbladder without cholecystitis without obstruction
- K80.21 — Calculus of gallbladder without cholecystitis with obstruction
- K80.3 — Calculus of bile duct with cholangitis
- K80.30 — Calculus of bile duct with cholangitis, unspecified, without obstruction
- K80.31 — Calculus of bile duct with cholangitis, unspecified, with obstruction
- K80.32 — Calculus of bile duct with acute cholangitis without obstruction
- K80.33 — Calculus of bile duct with acute cholangitis with obstruction
- K80.34 — Calculus of bile duct with chronic cholangitis without obstruction
- K80.35 — Calculus of bile duct with chronic cholangitis with obstruction
- K80.36 — Calculus of bile duct with acute and chronic cholangitis without obstruction
- K80.37 — Calculus of bile duct with acute and chronic cholangitis with obstruction
- K80.4 — Calculus of bile duct with cholecystitis
- K80.40 — Calculus of bile duct with cholecystitis, unspecified, without obstruction
- K80.41 — Calculus of bile duct with cholecystitis, unspecified, with obstruction
- K80.42 — Calculus of bile duct with acute cholecystitis without obstruction
- K80.43 — Calculus of bile duct with acute cholecystitis with obstruction
- K80.44 — Calculus of bile duct with chronic cholecystitis without obstruction
- K80.45 — Calculus of bile duct with chronic cholecystitis with obstruction
- K80.46 — Calculus of bile duct with acute and chronic cholecystitis without obstruction
- K80.47 — Calculus of bile duct with acute and chronic cholecystitis with obstruction
- K80.5 — Calculus of bile duct without cholangitis or cholecystitis
- K80.50 — Calculus of bile duct without cholangitis or cholecystitis without obstruction
- K80.51 — Calculus of bile duct without cholangitis or cholecystitis with obstruction
- K80.6 — Calculus of gallbladder and bile duct with cholecystitis
- K80.60 — Calculus of gallbladder and bile duct with cholecystitis, unspecified, without obstruction
- K80.61 — Calculus of gallbladder and bile duct with cholecystitis, unspecified, with obstruction
- K80.62 — Calculus of gallbladder and bile duct with acute cholecystitis without obstruction
- K80.63 — Calculus of gallbladder and bile duct with acute cholecystitis with obstruction
- K80.64 — Calculus of gallbladder and bile duct with chronic cholecystitis without obstruction
- K80.65 — Calculus of gallbladder and bile duct with chronic cholecystitis with obstruction
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Calculus, calculi, calculous, gallbladder, with, cholecystitis, acute, with, obstruction
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: