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 | |
|---|---|---|---|---|---|
| D19 | CLAIM/SERVICE LACKS PHYSICIAN/OPERATIVE OR OTHER SUPPORTING DOCUMENTATION. | N29 | CO | 16 | View → |
| D1P3 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 1 EVERY 3 YEARS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| D1PY | DME SERVICE EXCEEDS QUANTITY LIMITATIONS. SERVICE LIMITED TO ONE PER YEAR. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| D20 | CLAIM/SERVICE MISSING SERVICE/PRODUCT INFORMATION. |
M51
Missing/incomplete/invalid procedure code(s). |
CO | 16 | View → |
| D21 | THIS (THESE) DIAGNOSIS(ES) IS (ARE) MISSING OR ARE INVALID. |
M76
Missing/incomplete/invalid diagnosis or condition. |
CO | 146 | View → |
| D22 | INVALID AGE FOR THIS BENEFIT. |
N129
Not eligible due to the patient's age. |
CO | 6 | View → |
| D23M | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 2 EVERY 90 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| D2P1 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 2 EVERY YEAR. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| D30 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 30 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| D300 | DME OVER $300.00 REQUIRE PREAUTHORIZATION | — | CO | 197 | View → |
| D400 | DME OVER $400.00 REQUIRE PREAUTHORIZATION | — | CO | 197 | View → |
| D50 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 50 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| D60 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 60 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| D77 | MULTIPLE DATES OF SERVICE ON ERC CLAIM |
MA31
Missing/incomplete/invalid beginning and ending dates … |
CO | 16 | View → |
| D90 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 90 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DASA | INCORRECT BILLING RULES- DASA PROVIDER |
N272
Missing/incomplete/invalid other payer attending provi… |
CO | 16 | View → |
| DBM | SERVICE IS LIMITED TO ONE VISION EXAM PER YEAR. |
N640
Exceeds number/frequency approved/allowed within time … |
CO | 222 | View → |
| DEAP | UNABLE TO PRICE WITH EAPG CALCULATION AT THIS TIME. PLEASE SEE OTHER DENIAL/REJECTION CODE(S). |
N381
Alert: Consult our contractual agreement for restricti… |
CO | 144 | View → |
| DENA | SERVICES DENIED AT THE TIME AUTHORIZATION/PRECERTIFICATIONS WAS REQUESTED | — | CO | 197 | View → |
| DENT | SUBMIT CLAIM TO CORRECT PAYER. PLAN DOES NOT COVER DENTAL |
N216
We do not offer coverage for this type of service or t… |
CO | 109 | View → |
| DETA | 99000 MUST BE BILLED SEPARATELY FROM ENCOUNTER CODE |
N130
Consult plan benefit documents/guidelines for informat… |
CO | 272 | View → |
| DFBC | A $35.00 DISPENSING FEE IS ALLOWED WHEN BILLED WITH THE "UD" MODIFIER FOR HIGHLY EFFECTIVE BIRTH CO… | — | CO | 45 | View → |
| DFEX | SERVICES ARE LIMITED TO ONE PAIR A YEAR. |
N640
Exceeds number/frequency approved/allowed within time … |
CO | 222 | View → |
| DFUD | A $12.00 DISPENSING FEE IS ALLOWED FOR 340B ENROLLED PROVIDERS WHEN BILLED WITH THE "UD" MODIFIER. | — | CO | 45 | View → |
| DHHS | DHHS RESPONSIBILITY. FOR PAYMENT, PLEASE SUBMIT CLAIM TO DHHS VIA FAX AT 1-866-652-7253. |
N418
Misrouted claim. See the payer's claim submission ins… |
CO | 109 | View → |
| DIAG | CLAIM WAS SUBMITTED WITH AN INVALID OR MISSING DIAGNOSIS CODE. THIS CLAIM CANNOT BE PROCESSED UNTI… |
M64
Missing/incomplete/invalid other diagnosis. |
CO | 16 | View → |
| DM01 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 1 EVERY 90 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM02 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 1 EVERY 180 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM03 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 3 EVERY 90 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM04 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 4 EVERY 60 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM1 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMTIED TO 1 EVERY 60 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM10 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 10 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM12 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 12 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM18 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 18 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM2 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 2 EVERY 60 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM20 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 20 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM3 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 3 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM50 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 50 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM6 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 6 EVERY 90 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DM8 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 8 EVERY 90 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DMAU | DME OVER $500.00 REQUIRE PRE-AUTHORIZATION. |
N62
Dates of service span multiple rate periods. Resubmit … |
CO | 197 | View → |
| DME1 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 1 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DME2 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 2 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DME3 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 3 EVERY 60 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DME4 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 4 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DME5 | DME/PROSTHETICS REVIEW. PA REQUIRED IF TOTAL CLAIM > $500 |
M62
Missing/incomplete/invalid treatment authorization cod… |
CO | 197 | View → |
| DME6 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 6 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DME8 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 8 EVERY 30 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DME9 | DME SERVICE EXCEEDS QUANTITY LIMITS. SVC LIMITED TO 9 EVERY 90 DAYS. |
N362
The number of Days or Units of Service exceeds our acc… |
CO | 222 | View → |
| DMEK | PREAUTH REQUIRED FOR DME GREATER THAN $1,000. |
N761
This provider is not authorized to receive payment for… |
CO | 197 | 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.