HCPCS modifier codes starting with K

31 codes. Every code ever valid for billing is listed, including those now retired.

Code	Description	Status
K0	Lower extremity prosthesis functional level 0 - does not have the ability or potential to ambulate or transfer safely with or without assistance and a prosthesis does not enhance their quality of life or mobility.	Valid
K1	Lower extremity prosthesis functional level 1 - has the ability or potential to use a prosthesis for transfers or ambulation on level surfaces at fixed cadence. typical of the limited and unlimited household ambulator.	Valid
K2	Lower extremity prosthesis functional level 2 - has the ability or potential for ambulation with the ability to traverse low level environmental barriers such as curbs, stairs or uneven surfaces. typical of the limited community ambulator.	Valid
K3	Lower extremity prosthesis functional level 3 - has the ability or potential for ambulation with variable cadence. typical of the community ambulator who has the ability to transverse most environmental barriers and may have vocational, therapeutic, or exercise activity that demands prosthetic utilization beyond simple locomotion.	Valid
K4	Lower extremity prosthesis functional level 4 - has the ability or potential for prosthetic ambulation that exceeds the basic ambulation skills, exhibiting high impact, stress, or energy levels, typical of the prosthetic demands of the child, active adult, or athlete.	Valid
KA	Add on option/accessory for wheelchair	Valid
KB	Beneficiary requested upgrade for abn, more than 4 modifiers identified on claim	Valid
KC	Replacement of special power wheelchair interface	Valid
KD	Drug or biological infused through dme	Valid
KE	Bid under round one of the dmepos competitive bidding program for use with non-competitive bid base equipment	Valid
KF	Item designated by fda as class iii device	Valid
KG	Dmepos item subject to dmepos competitive bidding program number 1	Valid
KH	Dmepos item, initial claim, purchase or first month rental	Valid
KI	Dmepos item, second or third month rental	Valid
KJ	Dmepos item, parenteral enteral nutrition (pen) pump or capped rental, months four to fifteen	Valid
KK	Dmepos item subject to dmepos competitive bidding program number 2	Valid
KL	Dmepos item delivered via mail	Valid
KM	Replacement of facial prosthesis including new impression/moulage	Valid
KN	Replacement of facial prosthesis using previous master model	Valid
KO	Single drug unit dose formulation	Valid
KP	First drug of a multiple drug unit dose formulation	Valid
KQ	Second or subsequent drug of a multiple drug unit dose formulation	Valid
KR	Rental item, billing for partial month	Valid
KS	Glucose monitor supply for diabetic beneficiary not treated with insulin	Valid
KT	Beneficiary resides in a competitive bidding area and travels outside that competitive bidding area and receives a competitive bid item	Valid
KU	Dmepos item subject to dmepos competitive bidding program number 3	Valid
KV	Dmepos item subject to dmepos competitive bidding program that is furnished as part of a professional service	Valid
KW	Dmepos item subject to dmepos competitive bidding program number 4	Valid
KX	Requirements specified in the medical policy have been met	Valid
KY	Dmepos item subject to dmepos competitive bidding program number 5	Valid
KZ	New coverage not implemented by managed care	Valid