HCPCS Modifiers List A to L

We have learnt a lot about coding many modifiers in past. All modifiers are unique and should be used very carefully. Today, we will learn about the list of HCPCS modifiers used in medical coding by medical coders. 

Code(s)     Description

A1             DRESSING FOR ONE WOUND
A2            DRESSING FOR TWO WOUNDS
A3            DRESSING FOR THREE WOUNDS
A4            DRESSING FOR FOUR WOUNDS
A5            DRESSING FOR FIVE WOUNDS
A6            DRESSING FOR SIX WOUNDS
A7            DRESSING FOR SEVEN WOUNDS
A8           DRESSING FOR EIGHT WOUNDS
A9           DRESSING FOR 9 OR MORE WOUND
AA           ANESTHESIA PERF BY ANESGST
AD          MD SUPERVISION, >4 ANES PROC
AE           REGISTERED DIETICIAN
AF           SPECIALTY PHYSICIAN
AG          PRIMARY PHYSICIAN
AH         CLINICAL PSYCHOLOGIST
AI           Principal physician of rec
AJ          CLINICAL SOCIAL WORKER
AK          NON PARTICIPATING PHYSICIAN
AM         PHYSICIAN, TEAM MEMBER SVC
AO         Prov declined alt pmt method
AP          NO DTMN OF REFRACTIVE STATE
AQ         PHYSICIAN SERVICE HPSA AREA
AR         PHYSICIAN SCARCITY AREA
AS          ASSISTANT AT SURGERY SERVICE
AT          ACUTE TREATMENT
AU         URO, OSTOMY OR TRACH ITEM
AV          ITEM W PROSTHETIC/ORTHOTIC
AW        ITEM W A SURGICAL DRESSING
AX         ITEM W DIALYSIS SERVICES
AY         Item/service not for ESRD tx
AZ         Physician serv in dent HPSA

HCPCS Modifiers List A to L

Read also: When to use 58 and 78 modifier by medical coders

BA         ITEM W PEN SERVICES
BL         SPEC ACQUISITION BLOOD PRODS
BO        NUTRITION ORAL ADMIN NO TUBE
BP         BENE ELECTD TO PURCHASE ITEM
BR         BENE ELECTED TO RENT ITEM
BU         BENE UNDECIDED ON PURCH/RENT

CA         PROCEDURE PAYABLE INPATIENT
CB         ESRD BENE PART A SNF-SEP PAY
CC         PROCEDURE CODE CHANGE
CD        AMCC TEST FOR ESRD OR MCP MD
CE        MED NECES AMCC TST SEP REIMB
CF         AMCC TST NOT COMPOSITE RATE
CG        Policy criteria applied
CH        0 percent impaired, ltd, res
CI          1 to <20 percent impaired
CJ         20 to <40 percent impaired
CK        40 to <60 percent impaired
CL        60 to <80 percent impaired
CM       80 to <100 percent impaired
CN        100 percent impaired, ltd
CR        Catastrophe/disaster related
CS         Gulf Oil 2010 Spill Related
CT         Ct does not meet nema standa

DA        Oral health assess, not dent

E1           UPPER LEFT EYELID
E2           LOWER LEFT EYELID
E3           UPPER RIGHT EYELID
E4           LOWER RIGHT EYELID
EA          ESA, ANEMIA, CHEMO-INDUCED
EB          ESA, ANEMIA, RADIO-INDUCED
EC          ESA, ANEMIA, NON-CHEMO/RADIO
ED          HCT>39% OR HGB>13G>=3 CYCLE
EE          HCT>39% OR HGB>13G
EJ           SUBSEQUENT CLAIM
EM         EMER RESERVE SUPPLY (ESRD)
EP          MEDICAID EPSDT PROGRAM SVC
ET          EMERGENCY SERVICES
EX          EXPATRIATE BENEFICIARY
EY          NO MD ORDER FOR ITEM/SERVICE

F1           LEFT HAND, SECOND DIGIT
F2           LEFT HAND, THIRD DIGIT
F3           LEFT HAND, FOURTH DIGIT
F4           LEFT HAND, FIFTH DIGIT
F5           RIGHT HAND, THUMB
F6           RIGHT HAND, SECOND DIGIT
F7           RIGHT HAND, THIRD DIGIT
F8           RIGHT HAND, FOURTH DIGIT
F9           RIGHT HAND, FIFTH DIGIT
FA           LEFT HAND, THUMB
FB           ITEM PROVIDED WITHOUT COST
FC           PART CREDIT, REPLACED DEVICE
FP            SVC PART OF FAMILY PLAN PGM
FX            X-ray taken using film
FY            Computed radiography x-ray

Read also: When to use Modifier 26 and TC modifier

G1             URR READING OF LESS THAN 60
G2            URR READING OF 60 TO 64.9
G3            URR READING OF 65 TO 69.9
G4            URR READING OF 70 TO 74.9
G5            URR READING OF 75 OR GREATER
G6            ESRD PATIENT <6 DIALYSIS/MTH
G7             PAYMENT LIMITS DO NOT APPLY
G8             MONITORED ANESTHESIA CARE
G9             MAC FOR AT RISK PATIENT
GA             Liability waiver ind case
GB             CLAIM RESUBMITTED
GC             RESIDENT/TEACHING PHYS SERV
GD            UNIT OF SERVICE > MUE VALUE
GE             RESIDENT PRIM CARE EXCEPTION
GF             NONPHYSICIAN SERV C A HOSP
GG            PAYMENT SCREEN MAM + DIAGMAM
GH            DIAG MAMMO TO SCREENING MAMO
GJ             “OPT OUT” PROVIDER OF ER SRVC
GK            ACTUAL ITEM/SERVICE ORDERED
GL            UPGRADED ITEM, NO CHARGE
GN            OP SPEECH LANGUAGE SERVICE
GO            OP OCCUPATIONAL THERAPY SERV
GP             OP PT SERVICES
GQ             TELEHEALTH STORE AND FORWARD
GR             SERVICE BY VA RESIDENT
GS             Epo/darbepoietin reduced 25%
GT             INTERACTIVETELECOMMUNICATION
GU             Liability waiver rout notice
GV             ATTENDING PHYS NOT HOSPICE
GW            SERVICE UNRELATED TO TERM CO
GX             VOLUNTARY LIABILITY NOTICE
GY             STATUTORILY EXCLUDED
GZ              NOT REASONABLE AND NECESSARY

H9            COURT-ORDERED
HA            CHILD/ADOLESCENT PROGRAM
HB            ADULT PROGRAM NON-GERIATRIC
HC            ADULT PROGRAM GERIATRIC
HD            PREGNANT/PARENTING PROGRAM
HE            MENTAL HEALTH PROGRAM
HF             SUBSTANCE ABUSE PROGRAM
HG            OPIOID ADDICTION TX PROGRAM
HH            MENTAL HLTH/SUBSTANCE ABS PR
HI              Men hlth intel/dev disab pgm
HJ              EMPLOYEE ASSISTANCE PROGRAM
HK             SPEC HGH RSK MNTL HLTH POP P
HL              INTERN
HM            LESS THAN BACHELOR DEGREE LV
HN             BACHELORS DEGREE LEVEL
HO              MASTERS DEGREE LEVEL
HP              DOCTORAL LEVEL
HQ              GROUP SETTING
HR              FAMILY/COUPLE W CLIENT PRSNT
HS              FAMILY/COUPLE W/O CLIENT PRS
HT              MULTI-DISCIPLINARY TEAM
HU              CHILD WELFARE AGENCY FUNDED
HV              FUNDED STATE ADDICTION AGNCY
HW             STATE MNTL HLTH AGNCY FUNDED
HX              COUNTY/LOCAL AGENCY FUNDED
HY              FUNDED BY JUVENILE JUSTICE
HZ              CRIMINAL JUSTICE AGNCY FUND

J1                CAP NO-PAY FOR PRESCRIPT NUM
J2               CAP RESTOCK OF EMERG DRUGS
J3               CAP DRUG UNAVAIL THRU CAP
J4               DMEPOS comp bid furn by hosp
JA               ADMINISTERED INTRAVENOUSLY
JB               ADMINISTERED SUBCUTANEOUSLY
JC               Skin substitute graft
JD               Skin sub not used as a graft
JE               Administered via dialysate
JG               340b acquired drug
JW              DISCARDED DRUG NOT ADMINISTE

Read also: When to use 25 and 27 modifier by medical coder

K0               LWR EXT PROST FUNCTNL LVL 0
K1                LWR EXT PROST FUNCTNL LVL 1
K2               LWR EXT PROST FUNCTNL LVL 2
K3               LWR EXT PROST FUNCTNL LVL 3
K4               LWR EXT PROST FUNCTNL LVL 4
KA              WHEELCHAIR ADD-ON OPTION/ACC
KB               >4 MODIFIERS ON CLAIM
KC              REPL SPECIAL PWR WC INTRFACE
KD              DRUG/BIOLOGICAL DME INFUSED
KE               Bid under round 1 dmepos cb
KF               FDA CLASS III DEVICE
KG              DMEPOS COMP BID PRGM NO 1
KH              DMEPOS INI CLM, PUR/1 MO RNT
KI                DMEPOS 2ND OR 3RD MO RENTAL
KJ               DMEPOS PEN PMP OR 4-15MO RNT
KK               DMEPOS COMP BID PRGM NO 2
KL               DMEPOS MAILORDER COMP BID
KM              RPLC FACIAL PROSTH NEW IMP
KN               RPLC FACIAL PROSTH OLD MOD
KO               SINGLE DRUG UNIT DOSE FORM
KP                FIRST DRUG OF MULTI DRUG U D
KQ               2ND/SUBSQNT DRG MULTI DRG UD
KR               RENTAL ITEM PARTIAL MONTH
KS                GLUCOSE MONITOR SUPPLY
KT                ITEM FROM NONCONTRACT SUPPLY
KU               DMEPOS COMP BID PRGM NO 3
KV                DMEPOS ITEM, PROFESSION SERV
KW              DMEPOS COMP BID PRGM NO 4
KX                DOCUMENTATION ON FILE
KY                DMEPOS COMP BID PRGM NO 5
KZ                NEW COV NOT IMPLEMENT BY M+C

LC                 LFT CIRCUM CORONARY ARTERY
LD                 LEFT ANT DES CORONARY ARTERY
LL                 LEASE/RENTAL (APPLD TO PUR)
LM                Left main coronary artery
LR                LABORATORY ROUND TRIP
LS                 FDA-MONITORED IOL IMPLANT
LT                 LEFT SIDE

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