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GET
Cited when→then, NCCI companions, and catalog cards for one code

Authorizations

X-API-Key
string
header
required

Path Parameters

code
string
required

Billing or terminology code value (CPT/HCPCS/NDC/etc depending on endpoint context).

Query Parameters

payer
string | null

Payer name, slug, or alias used for payer-specific enrichment.

state
string | null
Required string length: 2
facility_type
string | null
as_of
string<date> | null

Response

Successful Response

code
string
required
as_of
string | null
companions
GuidanceCompanion · object[]
description
string | null
facility_type
string | null
payer
string | null
policies
GuidancePolicyCard · object[]
rules
GuidanceRule · object[]
rules_by_type
Rules By Type · object
state
string | null
status_code
string | null
telehealth
boolean
default:false
warnings
string[]