This coding is relevant for suspected meniscal tears and when symptoms are suggestive of osteoarthritis.
- 80,315 episodes during 2018/19
- Age/sex std rate per 100,000 – 135.2
- Reduction opportunity based on 25th percentile of activity across CCGs: not calculated
- Variation (age/sex std rates):
- N-fold – 107.4
- 10th percentile – 4.2
- 25th percentile – 12.6
- 50th percentile – 51.7
- 90th percentile – 447.0
U133: MRI bone/joint:
With site codes –
Z84.6 Knee joint
O13.2 Knee NEC
Note – these diagnosis codes have been provided, but not reflected in the coding logic and example SQL code below, as the sparseness of OP diagnosis data means that this is less helpful in an OP setting. It is included here for information.
M170: Primary gonarthrosis, bilateral
M171 Other primary gonarthrosis, incl:
M179: Gonarthrosis, unspecified
M000, 1,2, 8 &9 infection
M030-9 post infection
M120-9 other arthropathies
M130-9 other arthritis
M140-9 diabetic/ neuropathic
M172, 3, 4 & 5: gonarthrosis resulting from trauma or other secondary
C402, 408, 409 neoplasm
(Note – cancer diagnoses are a global exclusion)
Any other criteria (e.g. patient age)
Adult (aged >=19 years)
Will the procedure be carried out in OP or as APC?
Procedure code in any position is:
With procedure in any position:
Patient age >=19 years
opa.Der _ Procedure _ All like '%U133%'
and (opa.Der _ Procedure _ All like '%Z846%'
or opa.Der _ Procedure _ All like '%O132%')
ISNULL(opa.Age _ at _ Start _ of _ Episode _ SUS,opa.Der _ Age _ at _ CDS _ Activity _ Date)between 19 and 120
Global cancer exclusion
((opa.der _ diagnosis _ all not like '%C[0-9][0-9]%'
and opa.der _ diagnosis _ all not like '%D0%'
and opa.der _ diagnosis _ all not like '%D3%'
and opa.der _ diagnosis _ all not like '%D4%')
OR opa.Der _ Diagnosis _ All IS NULL)