Claims workbench/CLM-2026-011183

Professional claim · CMS-1500 · EDI 837P

CLM-2026-011183

Cornerstone Internal Medicine Associates, Internal Medicine. Service 2026-06-08 at office (POS 11). Received 2026-07-17.

Denied

Billed

$67.00

1 line

Allowed

$41.54

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: Samuel Marquez
Member ID: UHC-23159-56
Date of birth: 1995-12-04
Identity: Verified6 records, confidence 0.99
Claim record: CLMCLM-419865
Relationship: Self, Phoenix, AZ

Coverage and accumulators

Found by member ID

Plan: MEDICARE-ADV-A MA group GRP-7035
Coverage period: 2023-11-01 to present
Deductible: $494.52 of $1,500.0033%
Out-of-pocket maximum: $1,966.49 of $4,500.0044%
Copays: office $20.00, specialist $75.00, emergency $350.00
Physical therapy visits: 1 of 20 used

Provider

Billing and rendering

Billing provider: Cornerstone Internal Medicine Associates
Internal Medicine · taxonomy 207R00000X
NPI: 5055109818
Network: In network
Rendering NPI: 4009962703
Location: Denver, CO · TIN 34-0670860
Authorisation / referral: none / none

Service lines

CMS-1500: procedures, modifiers, units, charges and the pricing outcome per line

Line	Code	Description	Mod.	Units	Dx	Billed	Allowed	Member	Plan	Line status
1	93000	Electrocardiogram with interpretation	—	1	1	$67.00	$41.54	—	—	DeniedCO18
Totals						$67.00	$41.54	—	—

Diagnoses (ICD-10-CM)

1. E11.65 Type 2 diabetes mellitus with hyperglycemiaprincipal
2. N18.30 Chronic kidney disease, stage 3 unspecified
3. I48.91 Unspecified atrial fibrillation

Claim header

Patient account: PA-426231
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-011574 (verified, link confidence 0.99).
Eligibility	Pass		Active on 2026-06-08: MEDICARE-ADV-A (MA), effective 2023-11-01.
Timely filing	Pass		Received 39 days after service (limit 90).
Duplicate check	Fail	CO18	Exact duplicate of CLM-2026-011182: 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 Internal Medicine Associates (5055109818).
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 Internal Medicine Associates2026-06-08 18:02
Established patient presents with type 2 diabetes mellitus with hyperglycemia; symptoms reviewed and vitals within expected range.
SystemSystem: Claims system2026-07-17 02:34
System edit 018 fired: identical member, date of service, procedure and billing provider as a prior submission.
AdministrativeExaminer: T. Nguyen (Senior Claims Examiner)2026-07-17 10:51
Called the provider office; awaiting documentation.

Attachments

Documents received with the claim

No attachments.

Claim history

Every event on this claim, sealed in the audit chain

Rules engineDenied2026-10-22 12:44
Duplicate check: Exact duplicate of CLM-2026-011182: same member, date of service, procedures and billing provider.

Other claims for this member

Same resolved identity

Claim	Service	Provider	Billed	Status
CLM-2026-030557	2026-09-24	Harbor Primary Care Associates	$174.00	Approved
CLM-2026-011182	2026-06-08	Cornerstone Internal Medicine Associates	$67.00	Approved
CLM-2026-020827	2026-02-01	Riverside Community Hospital	$149.00	Approved

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