Lithuanian Colorectal Cancer Implementation Guide
0.0.1 - ci-build Lithuania flag

Lithuanian Colorectal Cancer Implementation Guide, published by Lithuanian Medical Library. This guide is not an authorized publication; it is the continuous build for version 0.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7LT/ig-lt-colorectal/ and changes regularly. See the Directory of published versions

CodeSystem: SNOMED CT Extension for Colorectal Screening

Official URL: https://tx.hl7.lt/fhir/CodeSystem/snomed-extension-lt-colorectal Version: 0.0.1
Computable Name: SnomedExtensionLtColorectalCS

Extension CodeSystem for concepts used in the Lithuanian colorectal cancer screening program that are not available in SNOMED CT.

This Code system is referenced in the definition of the following value sets:

Language: en

This case-sensitive code system https://tx.hl7.lt/fhir/CodeSystem/snomed-extension-lt-colorectal defines the following codes:

CodeDisplayDefinition
paris-classification Paris endoscopic classification Paris endoscopic classification of superficial neoplastic lesions
nice-classification NICE classification NBI International Colorectal Endoscopic classification
polyp-access Access to polyp Difficulty of access to the polyp during endoscopy
smsa-score SMSA score Size, Morphology, Site, and Access score for polypectomy difficulty
predicted-histology Predicted histology Predicted histological type based on endoscopic appearance
paris-Is Paris 0-Is (sessile/polypoid)
paris-Isp Paris 0-Isp (semi-pedunculated)
paris-Ip Paris 0-Ip (pedunculated)
paris-IIa Paris 0-IIa (slightly elevated)
paris-IIb Paris 0-IIb (flat)
paris-IIc Paris 0-IIc (slightly depressed)
lst-g-h LST-G-H (Laterally spreading, granular type, homogeneous) Equivalent to Paris 0-IIa
lst-g-nm LST-G-NM (Laterally spreading, granular type, non-homogeneous) Equivalent to Paris 0-IIa + Is
lst-ng-fe LST-NG-FE (Laterally spreading, non-granular type, flat elevation) Equivalent to Paris 0-IIa
lst-ng-pd LST-NG-PD (Laterally spreading, non-granular type, depressed) Equivalent to Paris 0-IIa + IIc
nice-1 NICE Type I Hyperplastic/sessile serrated lesion
nice-2 NICE Type II Adenoma (low/high grade dysplasia)
nice-3 NICE Type III Deep submucosal invasive cancer
nice-not-evaluated NICE Not evaluated
access-easy Easy Easy access to the polyp. SMSA scale: 1 point.
access-heavy Heavy Difficult access to the polyp. SMSA scale: 3 points.
budding-bd0 No tumor budding (Bd0) 0 buds per 20X field
budding-bd1 Bd1 (1-4 / 20X RL) Low tumor budding: 1-4 buds per 20X field
budding-bd2 Bd2 (5-9 / 20X RL) Intermediate tumor budding: 5-9 buds per 20X field
budding-bd3 Bd3 (10+ / 20X RL) High tumor budding: 10 or more buds per 20X field
budding-invaluable Invaluable Tumor budding cannot be assessed
pdc-none No poorly differentiated clusters
pdc-g1 PDC-G1 (1-4 / 20X RL)
pdc-g2 PDC-G2 (5-9 / 20X RL)
pdc-g3 PDC-G3 (10+ / 20X RL)
pdc-invaluable PDC Invaluable
mmrp-normal Normal expression (MMR proficient, MSS)
mmrp-loss Loss of expression (MMR deficient, MSI)
mmrp-invaluable MMRP Invaluable
mmrp-postponed MMRP Postponed
mmrp-undefined MMRP Undefined (MSS)
mol-postponed Postponed Molecular test has been postponed
mol-detected Detected mutation Mutation has been detected
mol-not-detected Undefined mutation No mutation detected / undefined
mol-set Set (MSI) MSI status has been established
msi-test MSI (Microsatellite instability study) Microsatellite instability study. KLTN code: XLT00915-2
kras-test KRAS mutation test KRAS gene mutation analysis
nras-test NRAS mutation test NRAS gene mutation analysis
braf-v600e-test BRAF V600E mutation test Study of BRAF gene V600 variants. KLTN code: XLT00914-5
haggitt-0 Haggitt 0
haggitt-1 Haggitt 1
haggitt-2 Haggitt 2
haggitt-3 Haggitt 3
haggitt-4 Haggitt 4
kikuchi-sm1 Sm1 according to Kikuchi
kikuchi-sm2 Sm2 according to Kikuchi
kikuchi-sm3 Sm3 according to Kikuchi
invasion-invaluable Invasion depth invaluable
prep-split-two-day Two-day split preparation Two-day split-dose bowel preparation protocol
prep-same-day Same-day non-split preparation Same-day non-split bowel preparation protocol
polypectomy-snare Snare/loop Polypectomy performed using a snare or loop
polypectomy-forceps Forceps Polypectomy performed using forceps
polypectomy-hot Hot technique Polypectomy using electrocautery (hot)
polypectomy-cold Cold technique Polypectomy without electrocautery (cold)
resection-en-bloc En bloc resection Complete removal of lesion in one piece
resection-piecemeal Piecemeal resection Removal of lesion in multiple fragments
lumen-air Air insufflation Colonic lumen distension using air
lumen-water Water immersion Colonic lumen distension using water
lumen-co2 CO2 insufflation Colonic lumen distension using carbon dioxide
hydro-saline Normal saline Submucosal injection of normal saline for lesion lifting
hydro-adrenaline Adrenaline Submucosal injection of adrenaline for lesion lifting
hydro-methylene-blue Methylene blue Submucosal injection of methylene blue for lesion lifting
hydro-gelofusine Gelofusine Submucosal injection of Gelofusine for lesion lifting
bleeding-clip Hemostatic clipping Bleeding control using hemostatic clips
bleeding-adrenaline-injection Adrenaline injection Bleeding control using local adrenaline injection
bleeding-coagulation Thermal coagulation Bleeding control using thermal coagulation
bleeding-other Other bleeding control method Other method of bleeding control not specified above

Description of the above table(s).