Claims workbench/CLM-2026-018104

Institutional claim · UB-04 · EDI 837I

CLM-2026-018104

Cornerstone Regional Medical Center, Emergency Medicine. Service 2025-12-22 at emergency room (POS 23). Received 2026-02-23.

Denied

Billed

$1,391.00

1 line

Allowed

$765.05

if approved

Plan pays

—

Denied

Member owes

—

copay / deductible / 20% coinsurance

Rules engine

Deny

CO18

Decided by

Claims rules engine

2026-10-22 12:44

Member

Resolved through the identity graph

Member: Carol Garza
Member ID: UHC-47943-41
Date of birth: 1993-10-02
Identity: Verified4 records, confidence 0.97
Claim record: CLMCLM-421496
Relationship: Self, Denver, CO

Coverage and accumulators

Found by member ID

Plan: MEDICARE-ADV-B MA group N/A
Coverage period: 2023-06-01 to present
Deductible: $463.97 of $2,500.0019%
Out-of-pocket maximum: $1,480.36 of $5,000.0030%
Copays: office $30.00, specialist $50.00, emergency $250.00
Physical therapy visits: 11 of 20 used

Provider

Billing and rendering

Billing provider: Cornerstone Regional Medical Center
Emergency Medicine · taxonomy 207P00000X
NPI: 1149569109
Network: In network
Rendering NPI: 1149569109
Location: Nashville, TN · TIN 45-8232836
Authorisation / referral: none / none

Service lines

UB-04: procedures, modifiers, units, charges and the pricing outcome per line

Line	Code	Description	Mod.	Units	Dx	Billed	Allowed	Member	Plan	Line status
1	99284 rev 0450	Emergency department visit, high severity	—	1	1	$1,391.00	$765.05	—	—	DeniedCO18
Totals						$1,391.00	$765.05	—	—

Diagnoses (ICD-10-CM)

1. S93.401A Sprain of unspecified ligament of right ankle, initial encounterprincipal
2. J18.9 Pneumonia, unspecified organism
3. R55 Syncope and collapse

Claim header

Patient account: PA-837538
Frequency code: 1 (original)
Accident: No
DRG: —
Admit / discharge: —
Landed: 2026-10-22 12:44

Rules engine

CLAIMS-ADJ v1: 11 checks, 1 needing attention

Check	Result	Code	Detail
Member identity	Pass		Attached to MBR-001402 (verified, link confidence 0.97).
Eligibility	Pass		Active on 2025-12-22: MEDICARE-ADV-B (MA), effective 2023-06-01.
Timely filing	Pass		Received 63 days after service (limit 90).
Duplicate check	Fail	CO18	Exact duplicate of CLM-2026-018103: same member, date of service, procedures and billing provider. Exact duplicate claim or service
Prior authorisation	Pass		No line requires precertification.
Provider network	Pass		In-network provider Cornerstone Regional Medical Center (1149569109).
Medical necessity	Pass		Diagnosis supports the procedures billed.
Bundling (NCCI)	Pass		No bundling conflicts.
Benefit limits	Pass		No limited benefit on this claim.
Completeness	Pass		Required documentation present.
High-dollar review	Pass		Within the auto-adjudication ceiling.

Evaluated 2026-10-22 12:44 under policy version 1. Hard rule fired: Denied.

Notes

Provider, system and examiner notes on this claim

ClinicalProvider: Cornerstone Regional Medical Center2025-12-22 09:58
Established patient presents with sprain of unspecified ligament of right ankle, initial encounter; symptoms reviewed and vitals within expected range.
SystemSystem: Claims system2026-02-23 03:58
System edit 018 fired: identical member, date of service, procedure and billing provider as a prior submission.

Attachments

Documents received with the claim

Itemized billitemized_PA-837538.pdf8 pages
Itemised statement totalling $1391.00 across 1 line.
Er reported_report_PA-837538.pdf3 pages
Emergency department record: triage acuity 3, chief complaint sprain of unspecified ligament of right ankle, initial encounter.

Claim history

Every event on this claim, sealed in the audit chain

Rules engineDenied2026-10-22 12:44
Duplicate check: Exact duplicate of CLM-2026-018103: same member, date of service, procedures and billing provider.

Other claims for this member

Same resolved identity

Claim	Service	Provider	Billed	Status
CLM-2026-018103	2025-12-22	Cornerstone Regional Medical Center	$1,391.00	Approved
CLM-2026-031202	2025-12-26	Northgate Orthopedic Specialists	$36,171.00	Needs review

AI recommendation

assist mode · apac.amazon.nova-pro-v1:0

A hard rule decided this claim; the AI is advisory here.

Examiner decision

Denied by Claims rules engine; an examiner may still override

Outcome

Approve and pay as pricedAllowed amount, member responsibility and plan payment are applied to every line.DenyNo payment. Reason codes go on the remittance advice and the member's explanation of benefits.Pend for informationHold the claim; a development letter or confirmation is needed before it can be finalised.Refer to special investigationsRoute to the SIU for a fraud, waste and abuse review. No payment until cleared.

Examiner rationale *

At least 8 characters (0/8)

ExaminerR. Patel (Claims Examiner II)

Choose an outcome

Evaluation truth

Hidden label from the synthetic generator; never shown to the model

DeniedCO18scenario: Duplicate

Exact duplicate of an earlier submission.

Review queue Member identity