You can find pain codes in three different places in the ICD-10-CM manual:
Presence of right artificial knee joint
There are three ways to approach knee pain diagnosis:
What is water on the knee?
ICD-10 code M25. 661 for Stiffness of right knee, not elsewhere classified is a medical classification as listed by WHO under the range - Arthropathies .
ICD-10 Code for Pain in unspecified knee- M25. 569- Codify by AAPC.
M25. 561 Pain in right knee - ICD-10-CM Diagnosis Codes.
Persons encountering health services in other specified circumstancesZ76. 89 is a valid ICD-10-CM diagnosis code meaning 'Persons encountering health services in other specified circumstances'. It is also suitable for: Persons encountering health services NOS.
M25. 562 Pain in left knee - ICD-10-CM Diagnosis Codes.
606.
Other specified joint disorders, right knee M25. 861 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2022 edition of ICD-10-CM M25. 861 became effective on October 1, 2021.
There is no bilateral code for knee pain in ICD-10-CM; therefore, two codes are necessary to indicate both knees are affected. The fact that the knee pain is chronic is not addressed in the codes for knee pain. Codes in category G89 in ICD-10-CM are for Pain, not elsewhere classified, including acute and chronic pain.
M25. 461 - Effusion, right knee. ICD-10-CM.
ICD-10 code Z51. 81 for Encounter for therapeutic drug level monitoring is a medical classification as listed by WHO under the range - Factors influencing health status and contact with health services .
ICD-10 code: Z76. 9 Person encountering health services in unspecified circumstances.
ICD-Code I10 is a billable ICD-10 code used for healthcare diagnosis reimbursement of Essential (Primary) Hypertension.
Joint stiffness may be either the symptom of pain on moving a joint, the symptom of loss of range of motion or the physical sign of reduced range of motion.
M25.66. Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail. ICD Code M25.66 is a non-billable code.
97110 – Therapeutic exercises to develop strength and endurance, range of motion, and flexibility.
27570 – Manipulation of knee joint under general anesthesia (includes application of traction or other fixation devices)
29884 – Arthroscopy, knee, surgical; with lysis of adhesions, with or without manipulation (separate procedure)
There is no specific code for open lysis of adhesions of knee. The related codes are,
27486 – Revision of total knee arthroplasty, with or without allograft; one component