Real ChatGPT answer · index seedSbI9S340apMcompleteInsurance · insurance claimsinformational

What are the most common reasons health insurance companies issue a medical bill claim denial and how do I check if mine made a coding error?

ChatGPTgpt-63 queries10/31/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What are the most common reasons health insurance companies issue a medical bill claim denial and how do I check if mine made a coding error?
3 real searches · 1 real-search pass
CMS Medicare claim adjustment reason codes CO-4 CO-16 CO-18 CO-50 CO-96 CO-97 CO-197 officialGoogle ↗
OBSERVEDReason
HealthCare.gov health insurance claim denial appeal internal external review explanation of benefits officialGoogle ↗
OBSERVEDReason
California DMHC health plan claim denial complaint independent medical review officialGoogle ↗
OBSERVEDReason

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (3)
Short factOther / navigationalComparisonConsequenceReason100%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT3 real searches · gpt-6
CMS Medicare claim adjustment reason codes CO-4 CO-16 CO-18 CO-50 CO-96 CO-97 CO-197 official Google ↗
HealthCare.gov health insurance claim denial appeal internal external review explanation of benefits official Google ↗
California DMHC health plan claim denial complaint independent medical review official Google ↗

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
CMS Medicare claim adjustment reason codes CO-4 CO-16 CO-18 CO-50 CO-96 CO-97 CO-197 official
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
HealthCare.gov health insurance claim denial appeal internal external review explanation of benefits official
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
California DMHC health plan claim denial complaint independent medical review official
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1