ICD-10-CM Alphabetic Index · FY 2026 144 Entries
Calculus in the ICD-10-CM Index ICD-10-CM
The main term Calculus, calculi, calculous carries 144 index entries pointing to 67 ICD-10-CM codes. Every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
144
Index Entries
67
Codes Referenced
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Default Code
C
Letter
144 of 144 shown
ICD-10-CM
Index Entries Under Calculus 144 entries · 67 codes
Calculus, calculi, calculous
ampulla of Vater see Calculus, bile duct
anuria (impacted) (recurrent) N20.9 see also Calculus, urinary
appendix K38.1
bile duct (common) (hepatic) K80.50
with
calculus of gallbladder see Calculus, gallbladder and bile duct
cholangitis K80.30
with
cholecystitis see Calculus, bile duct, with cholecystitis
obstruction K80.31
acute K80.32
with
chronic cholangitis K80.36
with obstruction K80.37
obstruction K80.33
chronic K80.34
with
acute cholangitis K80.36
with obstruction K80.37
obstruction K80.35
cholecystitis (with cholangitis) K80.40
with obstruction K80.41
acute K80.42
with
chronic cholecystitis K80.46
with obstruction K80.47
obstruction K80.43
chronic K80.44
with
acute cholecystitis K80.46
with obstruction K80.47
obstruction K80.45
obstruction K80.51
biliary see also Calculus, gallbladder
with bile duct involvement see also Calculus, bile duct
specified NEC K80.80
with obstruction K80.81
bilirubin, multiple see Calculus, gallbladder
bladder (encysted) (impacted) (urinary) (diverticulum) N21.0
bronchus J98.09
calyx (kidney) (renal) see Calculus, kidney
cholesterol (pure) (solitary) see Calculus, gallbladder
common duct (bile) see Calculus, bile duct
conjunctiva see Concretion, conjunctiva
cystic N21.0
duct see Calculus, gallbladder
dental (subgingival) (supragingival) K03.6
diverticulum
bladder N21.0
kidney N20.0
epididymis N50.89
gallbladder K80.20
with
bile duct calculus see Calculus, gallbladder and bile duct
cholecystitis K80.10
with obstruction K80.11
acute K80.00
with
chronic cholecystitis K80.12
with obstruction K80.13
obstruction K80.01
chronic K80.10
with
acute cholecystitis K80.12
with obstruction K80.13
obstruction K80.11
specified NEC K80.18
with obstruction K80.19
obstruction K80.21
gallbladder and bile duct K80.70
with
cholecystitis K80.60
with obstruction K80.61
acute K80.62
with
chronic cholecystitis K80.66
with obstruction K80.67
obstruction K80.63
chronic K80.64
with
acute cholecystitis K80.66
with obstruction K80.67
obstruction K80.65
obstruction K80.71
hepatic (duct) see Calculus, bile duct
hepatobiliary K80.80
with obstruction K80.81
ileal conduit N21.8
intestinal (impaction) (obstruction) K56.49
kidney (impacted) (multiple) (pelvis) (recurrent) (staghorn) N20.0
with calculus, ureter N20.2
with hydronephrosis N13.2
with infection N13.6
congenital Q63.8
with hydronephrosis N13.2
with infection N13.6
lacrimal passages see Dacryolith
liver (impacted) see Calculus, bile duct
lung J98.4
mammographic R92.1
nephritic (impacted) (recurrent) see Calculus, kidney
nose J34.89
pancreas (duct) K86.89
parotid duct or gland K11.5
pelvis, encysted see Calculus, kidney
prostate N42.0
pulmonary J98.4
pyelitis (impacted) (recurrent) N20.0
with hydronephrosis N13.6
pyelonephritis (impacted) (recurrent)
with hydronephrosis N13.6
renal (impacted) (recurrent) see Calculus, kidney
salivary (duct) (gland) K11.5
seminal vesicle N50.89
staghorn see Calculus, kidney
Stensen's duct K11.5
stomach K31.89
sublingual duct or gland K11.5
congenital Q38.4
submandibular duct, gland or region K11.5
submaxillary duct, gland or region K11.5
suburethral N21.8
tonsil J35.8
tooth, teeth (subgingival) (supragingival) K03.6
tunica vaginalis N50.89
ureter (impacted) (recurrent) N20.1
with calculus, kidney N20.2
with hydronephrosis N13.2
with infection N13.6
with hydronephrosis N13.2
with infection N13.6
ureteropelvic junction N20.1
urethra (impacted) N21.1
urinary (duct) (impacted) (passage) (tract) N20.9
with hydronephrosis N13.2
with infection N13.6
in (due to)
lower N21.9
specified NEC N21.8
vagina N89.8
vesical (impacted) N21.0
Wharton's duct K11.5
xanthine E79.82
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
