Claims Data Dictionary
Last updated: May 6, 2026
Table Name | Column Name | Data Type | notes |
INPATIENT_EVENTS | UTILIZATION_ID | String | Equivalent of claim ID |
INPATIENT_EVENTS | VISIT_ID | String | |
INPATIENT_EVENTS | VISIT_TYPE | String | |
INPATIENT_EVENTS | PATIENT_ID | String | Hashed unique patient identifier |
INPATIENT_EVENTS | ADMIT_DATE | Date | Admission dates for inpatient procedures |
INPATIENT_EVENTS | DISCHARGE_DATE | Date | Discharge date for inpatient procedures |
INPATIENT_EVENTS | CLAIM_FROM_DATE | Date | |
INPATIENT_EVENTS | CLAIM_THROUGH_DATE | Date | |
INPATIENT_EVENTS | TOTAL_LOS | Integer | Total length of inpatient stay |
INPATIENT_EVENTS | DRG_CODE | String | DRG code - usually only available for acute inpatient care |
INPATIENT_EVENTS | DRG_CODE_DESCRIPTION | String | DRG code Description |
INPATIENT_EVENTS | DRG_CODE_TYPE | String | MS-DRG vs APR-DRG |
INPATIENT_EVENTS | DRG_CODE_VERSION | String | Version of DRG code |
INPATIENT_EVENTS | DRG_CODE_IMPUTATION_FLAG | Boolean | Flag to determine imputation status of DRG code |
INPATIENT_EVENTS | MDC_CODE | String | Three digit numeric code that groups beneficiary diagnosis codes into broad categories based on condition type and body region. a higher level grouping on MS-DRG |
INPATIENT_EVENTS | MDC_DESCRIPTION | String | MDC code description |
INPATIENT_EVENTS | ADMIT_SOURCE_CODE | String | |
INPATIENT_EVENTS | ADMIT_TYPE_CODE | String | |
INPATIENT_EVENTS | DISCHARGE_STATUS_CODE | String | Discharge status code |
INPATIENT_EVENTS | ACUTE_SUBACUTE | String | Acute Inpatient vs Sub-acute Inpatient |
INPATIENT_EVENTS | UTILIZATION_CATEGORY | String | Sub categories under Acute Inpatient & Sub-acute Inpatient |
INPATIENT_EVENTS | ADMISSION_DIAGNOSIS_CODE | String | ICD 10 Dx code |
INPATIENT_EVENTS | PRIMARY_DIAGNOSIS_CODE | String | ICD 10 Dx code |
INPATIENT_EVENTS | SECONDARY_DIAGNOSIS _CODES | Array | ICD 10 Dx code |
INPATIENT_EVENTS | ICD_PCS_CODES | Array | ICD PCS codes from all service line for the claims collected as array |
INPATIENT_EVENTS | CPT_HCPCS_CODES | Array | HCPCS & CPT codes from all service line for the claims collected as array |
INPATIENT_EVENTS | REVENUE_CODES | Array | Revenue codes from all service line for the claims collected as array |
INPATIENT_EVENTS | BILL_TYPE_CODE | String | Bill type code. First digit is facility type code. Second digit is facility class code. Third digit is claim frequency code |
INPATIENT_EVENTS | FACILITY_TYPE_CLASS_CODE _DESC | String | Description of the first & second digit of the bill type code |
INPATIENT_EVENTS | FACILITY_NPI | String | NPI of the facility or the laboratory in which the services were rendered for Institutional Claim; |
INPATIENT_EVENTS | FACILITY_NPI_CLASSIFICATION | String | Classification based on the NUCC taxonomy code for that NPI |
INPATIENT_EVENTS | FACILITY_NPI_SPECIALIZATION | String | Specialization of the primary taxonomy code |
INPATIENT_EVENTS | BILLING_NPI | String | Facility that is submitting the institutional claim or the human provider who rendered the care and is submitting the professional claim |
INPATIENT_EVENTS | BILLING_NPI_CLASSIFICATION | String | |
INPATIENT_EVENTS | BILLING_NPI_SPECIALIZATION | String | |
INPATIENT_EVENTS | BILLING_NPI_SPECIALTY | String | Specialization of the Billing NPI |
INPATIENT_EVENTS | ATTENDING_NPI | String | The human provider that was the attending physician in a hospital setting in which the services were rendered. |
INPATIENT_EVENTS | ATTENDING_NPI_SPECIALTY | String | Specialty of the Attending NPI |
INPATIENT_EVENTS | OPERATING_NPI | String | The human provider that was the operating physician when operating physician data is required on the institutional claim |
INPATIENT_EVENTS | OPERATING_NPI_SPECIALTY | String | Specialty of the Operating NPI |
INPATIENT_EVENTS | NETWORK_STATUS | String | |
INPATIENT_EVENTS | ENCOUNTER_TYPE | String | |
INPATIENT_EVENTS | CLAIM_PAYER_NAME_PRIMARY | String | |
INPATIENT_EVENTS | CLAIM_INSURANCE_GROUP _PRIMARY | String | |
INPATIENT_EVENTS | CLAIM_INSURANCE_SEGMENT _PRIMARY | String | |
INPATIENT_EVENTS | CLAIM_PAYER_NAME _SECONDARY | String | |
INPATIENT_EVENTS | CLAIM_INSURANCE_GROUP _SECONDARY | String | |
INPATIENT_EVENTS | CLAIM_INSURANCE_SEGMENT _SECONDARY | String | |
INPATIENT_EVENTS | PATIENT_INSURANCE_GROUP | String | |
INPATIENT_EVENTS | PATIENT_INSURANCE _SEGMENT | String | |
INPATIENT_EVENTS | PAYMENT_MODEL | String | Payment model of the claim |
INPATIENT_EVENTS | PROVIDER_ZIP | String | Provider zip code |
INPATIENT_EVENTS | PATIENT_ZIP | String | First three digits of the patient zip code |
INPATIENT_EVENTS | PROVIDER_STATE | String | |
INPATIENT_EVENTS | PATIENT_STATE | String | |
INPATIENT_EVENTS | SERVICE_AREA_TYPE | String | |
INPATIENT_EVENTS | TOTAL_PROVIDER_BILLED _AMOUNT_ORIGINAL | Float | |
INPATIENT_EVENTS | TOTAL_PLAN_ALLOWED _AMOUNT_ORIGINAL | Float | |
INPATIENT_EVENTS | TOTAL_PLAN_PAID_AMOUNT _ORIGINAL | Float | |
INPATIENT_EVENTS | TOTAL_PATIENT _RESPONSIBILITY_ORIGINAL | Float | |
INPATIENT_EVENTS | ESTIMATED_ALLOWED_AMNT | Float | Komodo Health estimated total allowed amount |
NON_INPATIENT _EVENTS | UTILIZATION_ID | String | Equivelant of claim ID |
NON_INPATIENT _EVENTS | LINE_NUMBER | Integer | Equivelent of claim service line number |
NON_INPATIENT _EVENTS | VISIT_ID | String | |
NON_INPATIENT _EVENTS | VISIT_TYPE | String | |
NON_INPATIENT _EVENTS | PATIENT_ID | String | Hashed unique patient identifier |
NON_INPATIENT _EVENTS | CLAIM_TYPE_CODE | String | Claim type code |
NON_INPATIENT _EVENTS | SERVICE_DATE | Date | Service From Date |
NON_INPATIENT _EVENTS | SERVICE_TO_DATE | Date | Service To Date |
NON_INPATIENT _EVENTS | REVENUE_CODE | String | Revenue code |
NON_INPATIENT _EVENTS | PROCEDURE_CODE | String | Procedure code |
NON_INPATIENT _EVENTS | MODIFIERS | Array | Procedure code modifier |
NON_INPATIENT _EVENTS | UNITS | Float | Cleaned unit |
NON_INPATIENT _EVENTS | IMPUTED_UNIT_FLAG | Boolean | If unit is imputed or normalized |
NON_INPATIENT _EVENTS | UNIT_TYPE | String | |
NON_INPATIENT _EVENTS | NDC11 | String | NDC 11 |
NON_INPATIENT _EVENTS | UTILIZATION_TYPE | String | KH Utilization Classification L1; related to Payment model |
NON_INPATIENT _EVENTS | SERVICE_CATEGORY | String | KH Utilization Classification L2, related to type of service |
NON_INPATIENT _EVENTS | SERVICE_SUBCATEGORY | String | KH Utilization Classification L3, realted to type of service |
NON_INPATIENT _EVENTS | PLACE_OF_SERVICE | String | Place of service code; usually provided only for claim type code ='P' |
NON_INPATIENT _EVENTS | BILL_TYPE_CODE | String | Bill type code; usually provided only for claim type code ='I' |
NON_INPATIENT _EVENTS | FACILITY_TYPE_CLASS _CODE_DESC | String | Description of the first and second digit of the bill type code |
NON_INPATIENT _EVENTS | APC_CODE | String | Imputed APC code |
NON_INPATIENT _EVENTS | APC_DESCRIPTION | String | Imputed APC code description |
NON_INPATIENT _EVENTS | PRIMARY_DIAGNOSIS _CODE_ARRAY | Array | Primary diagnosis code; For facility claims, this is primary diagnosis code from header, size will be 1; For professional claims, this is the diagnosis codes that the service line was pointed to, size can be greater than 1; |
NON_INPATIENT _EVENTS | DIAGNOSIS_CODES | Array | All diagnosis code assigned with the claim; primary diagnosis code will be part of the array |
NON_INPATIENT _EVENTS | ICD_PCS_CODES | Array | All ICD PCS codes that are associated with the claim |
NON_INPATIENT _EVENTS | ATTENDING_NPI | String | The human provider that was the attending physician in a hospital setting in which the services were rendered. |
NON_INPATIENT _EVENTS | ATTENDING_NPI_SPECIALTY | String | Specialty of the Attending NPI |
NON_INPATIENT _EVENTS | OPERATING_NPI | String | The human provider that was the operating physician when operating physician data is required on the institutional claim |
NON_INPATIENT _EVENTS | OPERATING_NPI_SPECIALTY | String | Specialty of the Operating NPI |
NON_INPATIENT _EVENTS | BILLING_NPI | String | |
NON_INPATIENT _EVENTS | BILLING_NPI_CLASSIFICATION | String | |
NON_INPATIENT _EVENTS | BILLING_NPI_SPECIALIZATION | String | |
NON_INPATIENT _EVENTS | FACILITY_NPI | String | NPI of the facility or the laboratory in which the services were rendered for Institutional Claim; |
NON_INPATIENT _EVENTS | FACILITY_NPI_CLASSIFICATION | String | |
NON_INPATIENT _EVENTS | FACILITY_NPI_SPECIALIZATION | String | Specialty of the Facility NPI |
NON_INPATIENT _EVENTS | RENDERING_NPI | String | The provider directly rendering the care, or in the case that a mid-level provider is rendering the care, this is the supervising provider, only found on an Professional Claim or on an outpatient facility claims; this is distinct for each service line. |
NON_INPATIENT _EVENTS | RENDERING_NPI_SPECIALTY | String | Specialty of the Rendering NPI |
NON_INPATIENT _EVENTS | REFERRING_NPI | String | The provider ordering a laboratory test or a specialty pharmacy product that is covered under the medical benefit. |
NON_INPATIENT _EVENTS | REFERRING_NPI_SPECIALTY | String | Specialty of the Reffering NPI |
NON_INPATIENT _EVENTS | NETWORK_STATUS | String | |
NON_INPATIENT _EVENTS | ENCOUNTER_TYPE | String | |
NON_INPATIENT _EVENTS | CLAIM_PAYER_NAME_PRIMARY | String | |
NON_INPATIENT _EVENTS | CLAIM_INSURANCE_GROUP _PRIMARY | String | |
NON_INPATIENT _EVENTS | CLAIM_INSURANCE_SEGMENT _PRIMARY | String | |
NON_INPATIENT _EVENTS | CLAIM_PAYER_NAME _SECONDARY | String | |
NON_INPATIENT _EVENTS | CLAIM_INSURANCE_GROUP _SECONDARY | String | |
NON_INPATIENT _EVENTS | CLAIM_INSURANCE_SEGMENT _SECONDARY | String | |
NON_INPATIENT _EVENTS | PATIENT_INSURANCE_GROUP | String | Payer channel |
NON_INPATIENT _EVENTS | PATIENT_INSURANCE _SEGMENT | String | Payer channel |
NON_INPATIENT _EVENTS | PAYMENT_MODEL | String | Name of cost function |
NON_INPATIENT _EVENTS | PROVIDER_ZIP | String | Provider zip code |
NON_INPATIENT _EVENTS | PATIENT_ZIP | String | First three digits of the patient zip code |
NON_INPATIENT _EVENTS | PROVIDER_STATE | String | |
NON_INPATIENT _EVENTS | PATIENT_STATE | String | |
NON_INPATIENT _EVENTS | SERVICE_AREA_TYPE | String | |
NON_INPATIENT _EVENTS | PROVIDER_BILLED_AMOUNT _ORIGINAL | Float | |
NON_INPATIENT _EVENTS | PLAN_ALLOWED_AMOUNT _ORIGINAL | Float | |
NON_INPATIENT _EVENTS | PLAN_PAID_AMOUNT _ORIGINAL | Float | |
NON_INPATIENT _EVENTS | ESTIMATED_ALLOWED _AMNT | Float | Estimated total allowed amount |