APPENDIX D

Remittance Advice Claim Adjustment Reason Codes

Tell Me Why

Claim Adjustment Reason Codes (CARCs) appear on the remittance advice received by your doctor to tell him why his claim for services he provided to you has been rejected and not paid. The rejection reason can determine whether it is appropriate for him to appeal or bill you instead. The reason codes may also appear on the “explanation of benefits” (EOB) you receive. These codes are maintained by the Washington Publishing Company and are updated three times a year.1 The following table explains some of the most commonly used reason codes and the rejection categories they represent.

Code

Description

Category

4

Procedure code inconsistent with modifier or modifier missing

Modifiers

5

Procedure code or bill type inconsistent with place of service

Place of service

6

Procedure/revenue code inconsistent with patient’s age

Patient age

7

Procedure/revenue code inconsistent with patient’s gender

Patient gender

8

Procedure code inconsistent with provider specialty

Provider

9

Diagnosis inconsistent with patient age

Patient age

10

Diagnosis inconsistent with patient gender

Patient gender

11

Diagnosis inconsistent with procedure

Medical necessity

12

Diagnosis inconsistent with provider type

Provider

13

Date of death precedes date of service

Date of service

14

Date of birth follows date of service

Date of service

15

Payment adjusted because authorization is missing, invalid, or does not apply to service or provider

Prior authorization

16

Claim lacks information needed for adjudication*

Requested information

18

Duplicate claim

Duplicate

19

Claim denied because this is work-related injury/illness

Coverage

20

Claim denied because this injury/illness is covered by the liability carrier

Coverage

24

Charges covered under a capitation agreement

Managed care

26

Expenses incurred prior to coverage

Eligibility

27

Expenses incurred after coverage terminated

Eligibility

29

Time limit for filing has expired

Filing limit

31

Patient cannot be identified as our insured

Eligibility

35

Lifetime benefit maximum reached

Coverage

39

Service denied when preauthorization was requested

Prior authorization

40

Charges do not meet qualifications for emergent or urgent care

Medical necessity

49

Noncovered service because routine exam or screening procedure

Coverage

50

Noncovered because not deemed a medical necessity

Medical necessity

51

Noncovered because preexisting condition

Coverage

55

Procedure deemed experimental or investigational

Coverage

58

Procedure performed in an inappropriate or invalid place of service

Place of service

59

Charges adjusted based on multiple surgery or concurrent anesthesia rules

Information only

60

Outpatient services with this proximity to inpatient services are not covered

Coverage

96

Noncovered charges*

Coverage

97

Payment included in allowance for another service/procedure

Bundling

100

Payment made to patient/insured

Information only

107

Related or qualifying service not previously paid or identified on this claim

Procedure

109

Not covered by this payer; send claim to correct payer

Eligibility

110

Billing date predates service date

Date of service

114

Procedure/product not approved by the Food & Drug Administration

Coverage

115

Procedure postponed, canceled, or delayed

Information only

116

Advance notice signed by patient did not meet requirements

Medical necessity

117

Transportation only covered to the closest facility

Coverage

119

Benefit maximum reached

Coverage

122

Psychiatric reduction

Information only

133

Claim pended for further review

Information only

140

Health insurance number and name do not match

Eligibility

146

Diagnosis invalid for date of service

Diagnosis

149

Lifetime benefit reached

Coverage

150

Information submitted does not support this level of service

Medical necessity

151

Information submitted does not support this many services

Medical necessity

152

Information submitted does not support this length of service

Medical necessity

153

Information submitted does not support this dosage

Medical necessity

154

Information submitted does not support this day’s supply

Medical necessity

155

Patient refused the service

Information only

157

Service provided as a result of an act of war

Coverage

158

Service provided outside the United States

Coverage

159

Service provided as a result of terrorism

Coverage

160

Injury/illness was the result of an activity that is a benefit exclusion

Coverage

163

Attachment referenced on the claim was not received

Information only

164

Attachment referenced on the claim not received in a timely manner

Information only

167

This diagnosis not covered

Diagnosis

181

Procedure code invalid on date of service

Coding

182

Modifier invalid on date of service

Coding

184

Ordering provider not eligible to order services billed

Provider

189

Not otherwise classified or unlisted code when there is a specific code for service billed

Coding

A1

Claim denied*

 

A6

Prior hospitalization or 30-day transfer requirement not met

Coverage

A8

Ungroupable DRG

Information only

B1

Noncovered visits

Coverage

B6

Payment adjusted when performed by this type of provider, by this type of provider in this type of facility, or by a provider of this specialty

Provider

B7

Provider not certified/eligible to be paid for this service on this date of service

Provider

B8

Alternative services were available and should have been used

Medical necessity

B9

Not covered because patient is enrolled in a hospice

Coverage

B12

Services not documented in patient’s medical record

Information only

B13

Previously paid

Duplicate claim

B14

Only one visit or consultation per physician per day is covered

Coverage

B16

New patient qualification not met

Coding

B22

Payment adjusted based on the diagnosis

Diagnosis

* For reason codes 16, 96, and A1, an additional remarks code is required to fully explain the reason for the rejection.

--------------------
1 Available at: http://www.wpc-edi.com/reference/codelists/healthcare/claim-adjustment-reason-codes/. Accessed January 2, 2014.

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