Browse all standardized Remark Codes (RARC) used on Medicare, Medicaid, and commercial payer remittance advice (835 ERA / EOB). Each code includes its RA835 mapping, adjustment group, reason code, and a dedicated resolution guide.
Browse Claim Adjustment Reason Codes — the codes that explain why a payment was reduced or denied.
| Remark Code | Description | RA835 Code | Group | Reason Code | |
|---|---|---|---|---|---|
| Y924 | INITIAL INPATIENT HOSPITAL VISIT WILL BE DENIED IF ANY TYPE OF INPATIENT VISIT HAS BEEN BILLED IN T… |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y925 | SERVICE IS NOT COVERED FOR URGENT CARE PROVIDER. |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y926 | PEAK EXPIRATORY FLOW RATE BILLED WITH E/M OR PHYSICIAN SERVICE AND WITHOUT A DISTINCT SERVICES MODI… |
N657
This should be billed with the appropriate code for th… |
CO | 4 | View → |
| Y928 | SUBMIT CHARGES TO MEDICAID FFS PROGRAM |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y929 | PRICE WITH CAPITATION | — | CO | 97 | View → |
| Y930 | INPATIENT CLAIMS REQUIRE VALID ROOM AND BOARD REVENUE CODES. |
M50
Missing/incomplete/invalid revenue code(s). |
CO | 16 | View → |
| Y932 | LIMITS 552 UNITS PER MONTH-S9122 |
M53
Missing/incomplete/invalid days or units of service. |
CO | 222 | View → |
| Y933 | THE PROCEDURE WAS PRICED ACCORDING TO PARTIAL HOSPITALIZATION APPROXIMATION. |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 45 | View → |
| Y934 | REVENUE CODES 510-529, OR ANY SUCCESSOR CODES, SHALL NOT BE REIMBURSED, UNLESS THERE IS A CONTRACTU… |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y935 | DME CODE BILLED WITHOUT A MODIFIER. | — | CO | 4 | View → |
| Y936 | INTENSIVE BEHAVIORIAL THERAPY (IBT) FOR CARDIOVASCULAR DISEASE (CVD) (G0446) |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 59 | View → |
| Y937 | PREVENTIVE AND SCREENING SERVICES - PROCEDURE FREQUENCY - 2 |
N640
Exceeds number/frequency approved/allowed within time … |
CO | 151 | View → |
| Y938 | PREVENTIVE AND SCREENING SERVICES - PROCEDURE FREQUENCY - 3 |
N640
Exceeds number/frequency approved/allowed within time … |
CO | 151 | View → |
| Y939 | PATIENT IS INCARCERATED |
N30
Patient ineligible for this service. |
CO | 258 | View → |
| Y940 | THIS PROCEDURE CODE INDICATES THAT MULTIPLE SERVICES WERE PERFORMED. PER CMS, A REDUCTION APPLIES F… | — | CO | 45 | View → |
| Y941 | THIS PROCEDURE CODE INDICATES THAT MULTIPLE SURGERY SERVICES WERE PERFORMED. PER CMS, A REDUCTION A… | — | CO | 45 | View → |
| Y942 | THIS PROCEDURE CODE NDICATES THAT MULTIPLE DIAGNOSTIC RADIOLOGY SERVICES WERE PERFORMED. PER CMS, A… | — | CO | 45 | View → |
| Y943 | THIS PROCEDURE CODE INDICATES THAT MULTIPLE DIAGNOSTIC CARDIOVASCULAR SERVICES WERE PERFORMED. PER … | — | CO | 45 | View → |
| Y944 | THIS PROCEDURE CODE INDICATES THAT MULTIPLE DIAGNOSTIC OPHTHALMOLOGY SERVICES WERE PERFORMED. PER C… | — | CO | 45 | View → |
| Y945 | THIS PROCEDURE CODE QUALIFIES FOR A MULTIPLE ENDOSCOPY REDUCTION AND PAYMENT SHOULD BE REDUCED TO B… | — | CO | 45 | View → |
| Y946 | THIS PROCEDURE CODE IS A BASE ENDOSCOPIC PROCEDURE BILLED WITH OTHER ENDOSCOPIC PROCEDURES AND IS N… | — | CO | 97 | View → |
| Y947 | TAXONOMY FOR NPI ON THIS CLAIM IS NOT COVERED BY MEDICARE. |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y948 | PER CCI GUIDELINES (INSTITUTIONAL), PROCEDURE CODE HAS BEEN BILLED OUT OF SEQUENCE WITH PROCEDURE C… |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 16 | View → |
| Y949 | PER CCI GUIDELINES (PHYSICIAN), PROCEDURE CODE HAS BEEN BILLED OUT OF SEQUENCE WITH PROCEDURE CODE … |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 16 | View → |
| Y950 | INVALID NDC TO PROCEDURE CODE COMBINATION. |
M119
Missing/incomplete/invalid/ deactivated/withdrawn Nati… |
CO | 16 | View → |
| Y951 | PER KY MEDICAID DME LIMITS, CLAIM HISTORY COUNT OF IS GREATER THAN THE LIMIT OF ALLOWED. |
N435
Exceeds number/frequency approved /allowed within time… |
CO | 119 | View → |
| Y952 | A MULTIPLE PROCEDURE REDUCTION OF APPLIES TO THE PROCEDURE CODE. | — | CO | 45 | View → |
| Y953 | AN NDC CODE IS REQUIRED WITH THIS PROCEDURE CODE. |
M49
Missing/incomplete/invalid value code(s) or amount(s). |
CO | 16 | View → |
| Y954 | THIS NDC IS NOT ON FILE. PLEASE VERIFY THAT THE NDC WAS FILED CORRECTLY. |
M119
Missing/incomplete/invalid/ deactivated/withdrawn Nati… |
CO | 16 | View → |
| Y955 | DISTINCT SERVICE MODIFIER IS NOT ALLOWED WITH THIS CPT. |
N519
Invalid combination of HCPCS modifiers. |
CO | 4 | View → |
| Y956 | E/M SERVICES BILLED WITH THE SAME DIAGNOSIS GROUP, AND WITHIN THE 10- OR 90-DAY GLOBAL PERIOD OF A … |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y957 | E/M SERVICE BILLED WITH PULMONARY FUNCTION TESTING WILL BE DENIED. |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y958 | CPT 99477 IS DENIED WHEN NO NEONATAL CLAIMS WERE FOUND IN HISTORY WITH THIS ADMIT DATE. |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y959 | G0442 OR G0443 IS DENIED WHEN PROVIDER SPECIALTY IS NOT GENERAL PRACTICE, FAMILY PRACTICE, INTERNAL… |
N95
This provider type/provider specialty may not bill thi… |
CO | 8 | View → |
| Y960 | WHEN THE DIAGNOSIS IS MULTIPLE GESTATION, TWIN PREGNANCY HAS A MAX UNIT RESTRICTION OF 2 PER DAY. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| Y961 | WHEN THE DIAGNOSIS IS MULTIPLE GESTATION, TRIPLET PREGNANCY HAS A MAX UNIT RESTRICTION OF 3 PER DAY. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| Y962 | WHEN THE DIAGNOSIS IS MULTIPLE GESTATION, QUADRUPLET/MULTIPLE PREGNANCY HAS A MAX UNIT RESTRICTION … |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| Y963 | WHEN THE DIAGNOSIS IS MULTIPLE GESTATION, UNIT RESTRICTION FOR ULTRASOUNDS WITH TRIPLET PREGNANCY I… |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| Y964 | WHEN THE DIAGNOSIS IS MULTIPLE GESTATION, UNIT RESTRICTION FOR ULTRASOUNDS WITH QUADRUPLET PREGNANC… |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| Y965 | G0442 OR G0443 IS DENIED WHEN THE POS IS NOT 11, 22, 49, 50, 71 OR 72. |
M77
Missing/incomplete/invalid/inappropriate place of serv… |
CO | 16 | View → |
| Y966 | G0442 IS DENIED WHEN BILLED BY ANY PROVIDER MORE THAN (1) UNIQUE VISIT PER YEAR. |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y967 | G0443 IS DENIED WHEN WHEN BILLED BY ANY PROVIDER MORE THAN ONCE PER DATE OF SERVICE. |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 96 | View → |
| Y968 | G0443 IS DENIED WHEN WHEN BILLED BY ANY PROVIDER MORE THAN FOUR (4) UNIQUE VISITS PER YEAR. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 96 | View → |
| Y969 | NUCLEAR MEDICINE PROCEDURES BILLED WITHOUT A RADIOPHARMACEUTICAL IMAGING AGENT ARE DENIED WITH BILL… |
MA30
Missing/incomplete/invalid type of bill. |
CO | 16 | View → |
| Y970 | SERVICES THAT ARE INAPPROPRIATELY BILLED WITH ANATOMICAL MODIFIER WILL BE DENIED. |
N519
Invalid combination of HCPCS modifiers. |
CO | 4 | View → |
| Y971 | REMOVE MODIFIER 26 AND TC FROM A PROCEDURE WHEN THE PROFESSIONAL/TECHNICAL COMPONENT CONCEPT DOES N… |
N519
Invalid combination of HCPCS modifiers. |
CO | 4 | View → |
| Y972 | MODIFIER IS INAPPROPRIATELY BILLED BY A PROFESSIONAL PROVIDER. |
N657
This should be billed with the appropriate code for th… |
CO | 4 | View → |
| Y973 | DRUGS AND BIOLOGICALS ARE DENIED WHEN BILLED WITHOUT AN APPROVED ASC SURGICAL PROCEDURE FOR CLAIMS … |
M51
Missing/incomplete/invalid procedure code(s). |
CO | 16 | View → |
| Y974 | RADIOLOGY SERVICES ARE DENIED WHEN BILLED WITHOUT AN APPROVED ASC SURGICAL PROCEDURE ON CLAIMS WITH… |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 16 | View → |
| Y975 | 90-DAY SURGICAL PROCEDURES ARE DENIED WHEN BILLED WITHOUT MODIFIER 54 BY AN EMERGENCY MEDICINE PHYS… |
N519
Invalid combination of HCPCS modifiers. |
CO | 4 | View → |
Remark Codes (RARC) are used on the 835 ERA and paper EOB to provide supplemental information about a claim adjustment. They always accompany a CARC (denial code) and clarify the reason for payment differences.
A Denial Code (CARC) explains why payment was adjusted. A Remark Code (RARC) provides additional context or instructions. Both appear together on remittance — look for the CARC first, then the RARC for detail.
Search by code number or keyword, or filter by adjustment group (CO, PR, OA…). Click any code to see its full RA835 mapping, common causes, step-by-step resolution guide, and appeal tips.