Claims workbench/CLM-2026-012976

Institutional claim · UB-04 · EDI 837I

CLM-2026-012976

Mesa GI Associates, Gastroenterology. Service 2026-03-21 at outpatient hospital (POS 22). Received 2026-09-28.

Denied

Billed

$4,467.00

2 lines

Allowed

$2,456.85

if approved

Plan pays

—

Denied

Member owes

—

copay / deductible / 20% coinsurance

Rules engine

Deny

CO29

Decided by

Claims rules engine

2026-10-21 13:43

Member

Resolved through the identity graph

Member: Samuel Ray
Member ID: UHC-71219-67
Date of birth: 1998-10-01
Identity: Verified5 records, confidence 0.99
Claim record: CLMCLM-431974
Relationship: Self, Charlotte, NC

Coverage and accumulators

Found by member ID

Plan: MEDICARE-ADV-A MA group GRP-1035
Coverage period: 2021-05-01 to present
Deductible: $278.00 of $500.0056%
Out-of-pocket maximum: $550.28 of $1,500.0037%
Copays: office $40.00, specialist $50.00, emergency $350.00
Physical therapy visits: 9 of 20 used

Provider

Billing and rendering

Billing provider: Mesa GI Associates
Gastroenterology · taxonomy 207RG0100X
NPI: 7557205672
Network: In network
Rendering NPI: 1002268690
Location: Phoenix, AZ · TIN 12-8480573
Authorisation / referral: PA2025533114 / 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	45378 rev 0750	Colonoscopy, diagnostic	—	1	1	$2,170.00	$1,193.50	—	—	DeniedCO29
2	43239 rev 0750	Upper GI endoscopy with biopsy	—	1	2	$2,297.00	$1,263.35	—	—	DeniedCO29
Totals						$4,467.00	$2,456.85	—	—

Diagnoses (ICD-10-CM)

1. Z12.11 Encounter for screening for malignant neoplasm of colonprincipal
2. R10.13 Epigastric pain

Claim header

Patient account: PA-235012
Frequency code: 1 (original)
Accident: No
DRG: —
Admit / discharge: —
Landed: 2026-10-21 13:43

Rules engine

CLAIMS-ADJ v1: 11 checks, 1 needing attention

Check	Result	Code	Detail
Member identity	Pass		Attached to MBR-023321 (verified, link confidence 0.99).
Eligibility	Pass		Active on 2026-03-21: MEDICARE-ADV-A (MA), effective 2021-05-01.
Timely filing	Fail	CO29	Received 191 days after the last date of service (limit 90). Time limit for filing has expired
Duplicate check	Pass		No matching prior claim in the duplicate window.
Prior authorisation	Pass		Authorisation PA2025533114 on file for 45378, 43239.
Provider network	Pass		In-network provider Mesa GI Associates (7557205672).
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 2026-10-21 13:43 under policy version 1. Hard rule fired: Denied.

Notes

Provider, system and examiner notes on this claim

ClinicalProvider: Mesa GI Associates2026-03-21 18:48
Established patient presents with encounter for screening for malignant neoplasm of colon; symptoms reviewed and vitals within expected range.
SystemSystem: Claims system2026-09-28 06:05
Received more than 90 days after the last date of service. Check for a timely-filing waiver before finalising.
AdministrativeExaminer: M. Alvarez (Claims Examiner I)2026-09-28 15:45
Escalated to nurse reviewer for clinical opinion.

Attachments

Documents received with the claim

Prior auth letterPA2025533114_approval.pdf2 pages
Utilisation management approval letter for 45378 (Colonoscopy, diagnostic), valid 2026-03-21 to 2026-06-19.
Itemized billitemized_PA-235012.pdf8 pages
Itemised statement totalling $4467.00 across 2 lines.

Claim history

Every event on this claim, sealed in the audit chain

Rules engineDenied2026-10-21 13:43
Timely filing: Received 191 days after the last date of service (limit 90).

Other claims for this member

Same resolved identity

Claim	Service	Provider	Billed	Status
CLM-2026-027222	2026-07-25	Valley Primary Care Associates	$53.00	Approved
CLM-2026-016154	2026-07-24	Sunrise Cardiovascular Associates	$8,882.00	Approved
CLM-2026-000498	2026-02-27	Desert Internal Medicine Associates	$400.00	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

DeniedCO29scenario: Late filing

Received after the timely-filing limit.

Review queue Member identity